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CVE-2026-1519 (GCVE-0-2026-1519)
Vulnerability from cvelistv5 – Published: 2026-03-25 13:25 – Updated: 2026-08-03 12:05
VLAI
EPSS
VEX
Title
Excessive NSEC3 iterations cause high CPU load during insecure delegation validation
Summary
If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU. Authoritative-only servers are generally unaffected, although there are circumstances where authoritative servers may make recursive queries (see: https://kb.isc.org/docs/why-does-my-authoritative-server-make-recursive-queries).
This issue affects BIND 9 versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.46, 9.20.0 through 9.20.20, 9.21.0 through 9.21.19, 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.46-S1, and 9.20.9-S1 through 9.20.20-S1.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-25 14:55 UTC
CWE
Assigner
References
31 references
Impacted products
32 products
| Vendor | Product | Version | |
|---|---|---|---|
| ISC | BIND 9 |
Affected:
9.11.0 , ≤ 9.16.50
(custom)
Affected: 9.18.0 , ≤ 9.18.46 (custom) Affected: 9.20.0 , ≤ 9.20.20 (custom) Affected: 9.21.0 , ≤ 9.21.19 (custom) Affected: 9.11.3-S1 , ≤ 9.16.50-S1 (custom) Affected: 9.18.11-S1 , ≤ 9.18.46-S1 (custom) Affected: 9.20.9-S1 , ≤ 9.20.20-S1 (custom) |
|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
32:9.18.33-10.el10_1.3 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.1 |
|
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
32:9.18.33-4.el10_0.3 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION |
Unaffected:
32:9.8.2-0.68.rc1.el6_10.18 , < *
(rpm)
cpe:/o:redhat:rhel_els:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support |
Unaffected:
32:9.11.4-26.P2.el7_9.20 , < *
(rpm)
cpe:/o:redhat:rhel_els:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
32:9.16.23-0.22.el8_10.5 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
32:9.11.36-16.el8_10.7 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8 cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support |
Unaffected:
32:9.11.26-4.el8_4.9 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.4 |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On |
Unaffected:
32:9.11.26-4.el8_4.9 , < *
(rpm)
cpe:/a:redhat:rhel_eus_long_life:8.4 |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support |
Unaffected:
32:9.11.36-3.el8_6.12 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.6 |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support |
Unaffected:
32:9.16.23-0.7.el8_6.10 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.6 |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On |
Unaffected:
32:9.16.23-0.7.el8_6.10 , < *
(rpm)
cpe:/a:redhat:rhel_eus_long_life:8.6 |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service |
Unaffected:
32:9.11.36-3.el8_6.12 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.6 |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions |
Unaffected:
32:9.11.36-3.el8_6.12 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.6 |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service |
Unaffected:
32:9.11.36-8.el8_8.9 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.8 |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service |
Unaffected:
32:9.16.23-0.14.el8_8.8 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.8 |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions |
Unaffected:
32:9.11.36-8.el8_8.9 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.8 |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions |
Unaffected:
32:9.16.23-0.14.el8_8.8 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
32:9.18.29-5.el9_7.4 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
32:9.16.23-34.el9_7.2 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions |
Unaffected:
32:9.16.23-11.el9_2.10 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.2 |
|
| Red Hat | Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions |
Unaffected:
32:9.16.23-18.el9_4.11 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.4 |
|
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support |
Unaffected:
32:9.16.23-31.el9_6.3 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.6 |
|
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support |
Unaffected:
32:9.18.29-4.el9_6.3 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.6 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.12 |
Unaffected:
412.86.202606251120-0 , < *
(rpm)
cpe:/a:redhat:openshift:4.12::el8 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.13 |
Unaffected:
413.92.202607141229-0 , < *
(rpm)
cpe:/a:redhat:openshift:4.13::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.14 |
Unaffected:
414.92.202607031936-0 , < *
(rpm)
cpe:/a:redhat:openshift:4.14::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.15 |
Unaffected:
415.92.202607210244-0 , < *
(rpm)
cpe:/a:redhat:openshift:4.15::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.19 |
Unaffected:
4.19.9.6.202606241344-0 , < *
(rpm)
cpe:/a:redhat:openshift:4.19::el9 |
|
| Red Hat | Red Hat Hardened Images |
Unaffected:
9.18.48-1.hum1 , < *
(rpm)
cpe:/a:redhat:hummingbird:1 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4 |
Date Public
2026-03-25 00:00
Credits
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"cveMetadata": "{\"cveId\": \"CVE-2026-1519\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-03T12:05:46.981Z\", \"dateReserved\": \"2026-01-28T09:54:49.514Z\", \"assignerOrgId\": \"404fd4d2-a609-4245-b543-2c944a302a22\", \"datePublished\": \"2026-03-25T13:25:19.802Z\", \"assignerShortName\": \"isc\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
RHSA-2026:24934
Vulnerability from csaf_redhat - Published: 2026-06-11 09:35 - Updated: 2026-07-31 20:38Summary
Red Hat Security Advisory: bind9.18 security update
Severity
Important
Notes
Topic: An update for bind9.18 is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: BIND (Berkeley Internet Name Domain) is an implementation of the DNS (Domain Name System) protocols. BIND includes a DNS server (named), which resolves host names to IP addresses; a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating properly.
Security Fix(es):
* bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone (CVE-2026-1519)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service (DoS) for legitimate users.
7.5 (High)
Affected products
Fixed
10 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-32:9.18.29-4.el9_6.3.aarch64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-32:9.18.29-4.el9_6.3.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-32:9.18.29-4.el9_6.3.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-32:9.18.29-4.el9_6.3.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-32:9.18.29-4.el9_6.3.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-libs-32:9.18.29-4.el9_6.3.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-libs-32:9.18.29-4.el9_6.3.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-libs-32:9.18.29-4.el9_6.3.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-libs-32:9.18.29-4.el9_6.3.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-libs-32:9.18.29-4.el9_6.3.i686 | — |
Vendor Fix
fix
Workaround
|
Known not affected
63 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-chroot-32:9.18.29-4.el9_6.3.aarch64 | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-chroot-32:9.18.29-4.el9_6.3.ppc64le | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-chroot-32:9.18.29-4.el9_6.3.s390x | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-chroot-32:9.18.29-4.el9_6.3.x86_64 | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-debuginfo-32:9.18.29-4.el9_6.3.aarch64 | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-debuginfo-32:9.18.29-4.el9_6.3.ppc64le | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-debuginfo-32:9.18.29-4.el9_6.3.s390x | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-debuginfo-32:9.18.29-4.el9_6.3.x86_64 | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-debugsource-32:9.18.29-4.el9_6.3.aarch64 | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-debugsource-32:9.18.29-4.el9_6.3.ppc64le | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-debugsource-32:9.18.29-4.el9_6.3.s390x | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-debugsource-32:9.18.29-4.el9_6.3.x86_64 | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-dnssec-utils-32:9.18.29-4.el9_6.3.aarch64 | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-dnssec-utils-32:9.18.29-4.el9_6.3.ppc64le | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-dnssec-utils-32:9.18.29-4.el9_6.3.s390x | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-dnssec-utils-32:9.18.29-4.el9_6.3.x86_64 | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-dnssec-utils-debuginfo-32:9.18.29-4.el9_6.3.aarch64 | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-dnssec-utils-debuginfo-32:9.18.29-4.el9_6.3.ppc64le | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-dnssec-utils-debuginfo-32:9.18.29-4.el9_6.3.s390x | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-dnssec-utils-debuginfo-32:9.18.29-4.el9_6.3.x86_64 | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-libs-debuginfo-32:9.18.29-4.el9_6.3.aarch64 | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-libs-debuginfo-32:9.18.29-4.el9_6.3.ppc64le | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-libs-debuginfo-32:9.18.29-4.el9_6.3.s390x | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-libs-debuginfo-32:9.18.29-4.el9_6.3.x86_64 | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-utils-32:9.18.29-4.el9_6.3.aarch64 | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-utils-32:9.18.29-4.el9_6.3.ppc64le | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-utils-32:9.18.29-4.el9_6.3.s390x | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-utils-32:9.18.29-4.el9_6.3.x86_64 | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-utils-debuginfo-32:9.18.29-4.el9_6.3.aarch64 | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-utils-debuginfo-32:9.18.29-4.el9_6.3.ppc64le | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-utils-debuginfo-32:9.18.29-4.el9_6.3.s390x | — |
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:bind9.18-utils-debuginfo-32:9.18.29-4.el9_6.3.x86_64 | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-debuginfo-32:9.18.29-4.el9_6.3.aarch64 | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-debuginfo-32:9.18.29-4.el9_6.3.i686 | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-debuginfo-32:9.18.29-4.el9_6.3.ppc64le | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-debuginfo-32:9.18.29-4.el9_6.3.s390x | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-debuginfo-32:9.18.29-4.el9_6.3.x86_64 | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-debugsource-32:9.18.29-4.el9_6.3.aarch64 | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-debugsource-32:9.18.29-4.el9_6.3.i686 | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-debugsource-32:9.18.29-4.el9_6.3.ppc64le | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-debugsource-32:9.18.29-4.el9_6.3.s390x | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-debugsource-32:9.18.29-4.el9_6.3.x86_64 | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-devel-32:9.18.29-4.el9_6.3.aarch64 | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-devel-32:9.18.29-4.el9_6.3.i686 | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-devel-32:9.18.29-4.el9_6.3.ppc64le | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-devel-32:9.18.29-4.el9_6.3.s390x | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-devel-32:9.18.29-4.el9_6.3.x86_64 | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-dnssec-utils-debuginfo-32:9.18.29-4.el9_6.3.aarch64 | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-dnssec-utils-debuginfo-32:9.18.29-4.el9_6.3.i686 | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-dnssec-utils-debuginfo-32:9.18.29-4.el9_6.3.ppc64le | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-dnssec-utils-debuginfo-32:9.18.29-4.el9_6.3.s390x | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-dnssec-utils-debuginfo-32:9.18.29-4.el9_6.3.x86_64 | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-doc-32:9.18.29-4.el9_6.3.noarch | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-libs-debuginfo-32:9.18.29-4.el9_6.3.aarch64 | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-libs-debuginfo-32:9.18.29-4.el9_6.3.i686 | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-libs-debuginfo-32:9.18.29-4.el9_6.3.ppc64le | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-libs-debuginfo-32:9.18.29-4.el9_6.3.s390x | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-libs-debuginfo-32:9.18.29-4.el9_6.3.x86_64 | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-utils-debuginfo-32:9.18.29-4.el9_6.3.aarch64 | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-utils-debuginfo-32:9.18.29-4.el9_6.3.i686 | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-utils-debuginfo-32:9.18.29-4.el9_6.3.ppc64le | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-utils-debuginfo-32:9.18.29-4.el9_6.3.s390x | — |
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:bind9.18-utils-debuginfo-32:9.18.29-4.el9_6.3.x86_64 | — |
Workaround
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Threats
Impact
Important
References
12 references
{
"document": {
"aggregate_severity": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"text": "Important"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "An update for bind9.18 is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
"title": "Topic"
},
{
"category": "general",
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"text": "2451305"
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"notes": [
{
"category": "description",
"text": "A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service (DoS) for legitimate users.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This vulnerability is rated as Important. A flaw in BIND allows a remote attacker to cause a Denial of Service by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. Red Hat systems running BIND configured for DNSSEC validation are affected. Authoritative-only BIND servers are generally not impacted unless configured to perform recursive queries.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-1519"
},
{
"category": "external",
"summary": "RHBZ#2451305",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451305"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-1519",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-1519"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-1519",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-1519"
},
{
"category": "external",
"summary": "https://downloads.isc.org/isc/bind9/9.18.47",
"url": "https://downloads.isc.org/isc/bind9/9.18.47"
},
{
"category": "external",
"summary": "https://downloads.isc.org/isc/bind9/9.20.21",
"url": "https://downloads.isc.org/isc/bind9/9.20.21"
},
{
"category": "external",
"summary": "https://downloads.isc.org/isc/bind9/9.21.20",
"url": "https://downloads.isc.org/isc/bind9/9.21.20"
},
{
"category": "external",
"summary": "https://kb.isc.org/docs/cve-2026-1519",
"url": "https://kb.isc.org/docs/cve-2026-1519"
}
],
"release_date": "2026-03-25T13:25:19.802000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-11T09:35:50+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"url": "https://access.redhat.com/errata/RHSA-2026:24934"
},
{
"category": "workaround",
"details": "To mitigate this issue, disable DNSSEC validation on affected BIND resolvers. Alternatively, configure the BIND server as authoritative-only if recursive queries are not required. Disabling DNSSEC validation may reduce the security posture of the DNS resolver. A restart of the BIND service (`named`) is required for these changes to take effect and may temporarily interrupt DNS resolution.",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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"title": "bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone"
}
]
}
RHSA-2026:25083
Vulnerability from csaf_redhat - Published: 2026-06-10 15:15 - Updated: 2026-07-31 20:38Summary
Red Hat Security Advisory: bind9.16 security update
Severity
Important
Notes
Topic: An update for bind9.16 is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly.
Security Fix(es):
* bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone (CVE-2026-1519)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service (DoS) for legitimate users.
7.5 (High)
Affected products
Fixed
8 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-8.8.0.Z.E4S:bind9.16-32:9.16.23-0.14.el8_8.8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:bind9.16-32:9.16.23-0.14.el8_8.8.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:bind9.16-32:9.16.23-0.14.el8_8.8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:bind9.16-libs-32:9.16.23-0.14.el8_8.8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:bind9.16-libs-32:9.16.23-0.14.el8_8.8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:bind9.16-32:9.16.23-0.14.el8_8.8.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:bind9.16-32:9.16.23-0.14.el8_8.8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:bind9.16-libs-32:9.16.23-0.14.el8_8.8.x86_64 | — |
Vendor Fix
fix
Workaround
|
Known not affected
28 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-8.8.0.Z.E4S:bind9.16-chroot-32:9.16.23-0.14.el8_8.8.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:bind9.16-chroot-32:9.16.23-0.14.el8_8.8.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:bind9.16-debuginfo-32:9.16.23-0.14.el8_8.8.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:bind9.16-debuginfo-32:9.16.23-0.14.el8_8.8.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:bind9.16-debugsource-32:9.16.23-0.14.el8_8.8.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:bind9.16-debugsource-32:9.16.23-0.14.el8_8.8.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:bind9.16-dnssec-utils-32:9.16.23-0.14.el8_8.8.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:bind9.16-dnssec-utils-32:9.16.23-0.14.el8_8.8.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:bind9.16-dnssec-utils-debuginfo-32:9.16.23-0.14.el8_8.8.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:bind9.16-dnssec-utils-debuginfo-32:9.16.23-0.14.el8_8.8.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:bind9.16-libs-debuginfo-32:9.16.23-0.14.el8_8.8.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:bind9.16-libs-debuginfo-32:9.16.23-0.14.el8_8.8.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:bind9.16-license-32:9.16.23-0.14.el8_8.8.noarch | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:bind9.16-utils-32:9.16.23-0.14.el8_8.8.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:bind9.16-utils-32:9.16.23-0.14.el8_8.8.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:bind9.16-utils-debuginfo-32:9.16.23-0.14.el8_8.8.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:bind9.16-utils-debuginfo-32:9.16.23-0.14.el8_8.8.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:python3-bind9.16-32:9.16.23-0.14.el8_8.8.noarch | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:bind9.16-chroot-32:9.16.23-0.14.el8_8.8.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:bind9.16-debuginfo-32:9.16.23-0.14.el8_8.8.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:bind9.16-debugsource-32:9.16.23-0.14.el8_8.8.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:bind9.16-dnssec-utils-32:9.16.23-0.14.el8_8.8.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:bind9.16-dnssec-utils-debuginfo-32:9.16.23-0.14.el8_8.8.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:bind9.16-libs-debuginfo-32:9.16.23-0.14.el8_8.8.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:bind9.16-license-32:9.16.23-0.14.el8_8.8.noarch | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:bind9.16-utils-32:9.16.23-0.14.el8_8.8.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:bind9.16-utils-debuginfo-32:9.16.23-0.14.el8_8.8.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:python3-bind9.16-32:9.16.23-0.14.el8_8.8.noarch | — |
Workaround
|
Threats
Impact
Important
References
12 references
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"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone"
}
]
}
RHSA-2026:25171
Vulnerability from csaf_redhat - Published: 2026-06-11 01:43 - Updated: 2026-07-31 20:38Summary
Red Hat Security Advisory: bind9.16 security update
Severity
Important
Notes
Topic: An update for bind9.16 is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly.
Security Fix(es):
* bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone (CVE-2026-1519)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service (DoS) for legitimate users.
7.5 (High)
Affected products
Fixed
6 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-8.6.0.Z.AUS:bind9.16-32:9.16.23-0.7.el8_6.10.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.6.0.Z.AUS:bind9.16-32:9.16.23-0.7.el8_6.10.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.6.0.Z.AUS:bind9.16-libs-32:9.16.23-0.7.el8_6.10.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.6.0.Z.EUS.EXTENSION:bind9.16-32:9.16.23-0.7.el8_6.10.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.6.0.Z.EUS.EXTENSION:bind9.16-32:9.16.23-0.7.el8_6.10.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.6.0.Z.EUS.EXTENSION:bind9.16-libs-32:9.16.23-0.7.el8_6.10.x86_64 | — |
Vendor Fix
fix
Workaround
|
Known not affected
16 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-8.6.0.Z.AUS:bind9.16-chroot-32:9.16.23-0.7.el8_6.10.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.6.0.Z.AUS:bind9.16-debuginfo-32:9.16.23-0.7.el8_6.10.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.6.0.Z.AUS:bind9.16-debugsource-32:9.16.23-0.7.el8_6.10.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.6.0.Z.AUS:bind9.16-dnssec-utils-debuginfo-32:9.16.23-0.7.el8_6.10.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.6.0.Z.AUS:bind9.16-libs-debuginfo-32:9.16.23-0.7.el8_6.10.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.6.0.Z.AUS:bind9.16-license-32:9.16.23-0.7.el8_6.10.noarch | — |
Workaround
|
|
| Unresolved product id: AppStream-8.6.0.Z.AUS:bind9.16-utils-32:9.16.23-0.7.el8_6.10.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.6.0.Z.AUS:bind9.16-utils-debuginfo-32:9.16.23-0.7.el8_6.10.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.6.0.Z.EUS.EXTENSION:bind9.16-chroot-32:9.16.23-0.7.el8_6.10.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.6.0.Z.EUS.EXTENSION:bind9.16-debuginfo-32:9.16.23-0.7.el8_6.10.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.6.0.Z.EUS.EXTENSION:bind9.16-debugsource-32:9.16.23-0.7.el8_6.10.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.6.0.Z.EUS.EXTENSION:bind9.16-dnssec-utils-debuginfo-32:9.16.23-0.7.el8_6.10.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.6.0.Z.EUS.EXTENSION:bind9.16-libs-debuginfo-32:9.16.23-0.7.el8_6.10.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.6.0.Z.EUS.EXTENSION:bind9.16-license-32:9.16.23-0.7.el8_6.10.noarch | — |
Workaround
|
|
| Unresolved product id: AppStream-8.6.0.Z.EUS.EXTENSION:bind9.16-utils-32:9.16.23-0.7.el8_6.10.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-8.6.0.Z.EUS.EXTENSION:bind9.16-utils-debuginfo-32:9.16.23-0.7.el8_6.10.x86_64 | — |
Workaround
|
Threats
Impact
Important
References
12 references
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"text": "bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone",
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"text": "This vulnerability is rated as Important. A flaw in BIND allows a remote attacker to cause a Denial of Service by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. Red Hat systems running BIND configured for DNSSEC validation are affected. Authoritative-only BIND servers are generally not impacted unless configured to perform recursive queries.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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"summary": "Canonical URL",
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},
{
"category": "external",
"summary": "RHBZ#2451305",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451305"
},
{
"category": "external",
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{
"category": "external",
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-1519"
},
{
"category": "external",
"summary": "https://downloads.isc.org/isc/bind9/9.18.47",
"url": "https://downloads.isc.org/isc/bind9/9.18.47"
},
{
"category": "external",
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{
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{
"category": "external",
"summary": "https://kb.isc.org/docs/cve-2026-1519",
"url": "https://kb.isc.org/docs/cve-2026-1519"
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],
"release_date": "2026-03-25T13:25:19.802000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-11T01:43:54+00:00",
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{
"category": "workaround",
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"attackVector": "NETWORK",
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"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone"
}
]
}
RHSA-2026:25214
Vulnerability from csaf_redhat - Published: 2026-06-11 08:51 - Updated: 2026-07-31 20:38Summary
Red Hat Security Advisory: bind security update
Severity
Important
Notes
Topic: An update for bind is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly.
Security Fix(es):
* bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone (CVE-2026-1519)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service (DoS) for legitimate users.
7.5 (High)
Affected products
Fixed
9 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-32:9.16.23-18.el9_4.11.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-32:9.16.23-18.el9_4.11.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-32:9.16.23-18.el9_4.11.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-32:9.16.23-18.el9_4.11.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-32:9.16.23-18.el9_4.11.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-libs-32:9.16.23-18.el9_4.11.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-libs-32:9.16.23-18.el9_4.11.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-libs-32:9.16.23-18.el9_4.11.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-libs-32:9.16.23-18.el9_4.11.x86_64 | — |
Vendor Fix
fix
Workaround
|
Known not affected
35 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-chroot-32:9.16.23-18.el9_4.11.aarch64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-chroot-32:9.16.23-18.el9_4.11.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-chroot-32:9.16.23-18.el9_4.11.s390x | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-chroot-32:9.16.23-18.el9_4.11.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-debuginfo-32:9.16.23-18.el9_4.11.aarch64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-debuginfo-32:9.16.23-18.el9_4.11.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-debuginfo-32:9.16.23-18.el9_4.11.s390x | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-debuginfo-32:9.16.23-18.el9_4.11.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-debugsource-32:9.16.23-18.el9_4.11.aarch64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-debugsource-32:9.16.23-18.el9_4.11.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-debugsource-32:9.16.23-18.el9_4.11.s390x | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-debugsource-32:9.16.23-18.el9_4.11.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-dnssec-doc-32:9.16.23-18.el9_4.11.noarch | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-dnssec-utils-32:9.16.23-18.el9_4.11.aarch64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-dnssec-utils-32:9.16.23-18.el9_4.11.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-dnssec-utils-32:9.16.23-18.el9_4.11.s390x | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-dnssec-utils-32:9.16.23-18.el9_4.11.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-dnssec-utils-debuginfo-32:9.16.23-18.el9_4.11.aarch64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-dnssec-utils-debuginfo-32:9.16.23-18.el9_4.11.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-dnssec-utils-debuginfo-32:9.16.23-18.el9_4.11.s390x | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-dnssec-utils-debuginfo-32:9.16.23-18.el9_4.11.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-libs-debuginfo-32:9.16.23-18.el9_4.11.aarch64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-libs-debuginfo-32:9.16.23-18.el9_4.11.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-libs-debuginfo-32:9.16.23-18.el9_4.11.s390x | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-libs-debuginfo-32:9.16.23-18.el9_4.11.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-license-32:9.16.23-18.el9_4.11.noarch | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-utils-32:9.16.23-18.el9_4.11.aarch64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-utils-32:9.16.23-18.el9_4.11.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-utils-32:9.16.23-18.el9_4.11.s390x | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-utils-32:9.16.23-18.el9_4.11.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-utils-debuginfo-32:9.16.23-18.el9_4.11.aarch64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-utils-debuginfo-32:9.16.23-18.el9_4.11.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-utils-debuginfo-32:9.16.23-18.el9_4.11.s390x | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:bind-utils-debuginfo-32:9.16.23-18.el9_4.11.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:python3-bind-32:9.16.23-18.el9_4.11.noarch | — |
Workaround
|
Threats
Impact
Important
References
12 references
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}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
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{
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"details": "Important"
}
],
"title": "bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone"
}
]
}
RHSA-2026:29110
Vulnerability from csaf_redhat - Published: 2026-06-24 15:07 - Updated: 2026-07-31 20:39Summary
Red Hat Security Advisory: bind security update
Severity
Important
Notes
Topic: An update for bind is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly.
Security Fix(es):
* bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone (CVE-2026-1519)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service (DoS) for legitimate users.
7.5 (High)
Affected products
Fixed
9 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-32:9.16.23-11.el9_2.10.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-32:9.16.23-11.el9_2.10.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-32:9.16.23-11.el9_2.10.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-32:9.16.23-11.el9_2.10.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-32:9.16.23-11.el9_2.10.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-libs-32:9.16.23-11.el9_2.10.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-libs-32:9.16.23-11.el9_2.10.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-libs-32:9.16.23-11.el9_2.10.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-libs-32:9.16.23-11.el9_2.10.x86_64 | — |
Vendor Fix
fix
Workaround
|
Known not affected
35 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-chroot-32:9.16.23-11.el9_2.10.aarch64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-chroot-32:9.16.23-11.el9_2.10.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-chroot-32:9.16.23-11.el9_2.10.s390x | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-chroot-32:9.16.23-11.el9_2.10.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-debuginfo-32:9.16.23-11.el9_2.10.aarch64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-debuginfo-32:9.16.23-11.el9_2.10.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-debuginfo-32:9.16.23-11.el9_2.10.s390x | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-debuginfo-32:9.16.23-11.el9_2.10.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-debugsource-32:9.16.23-11.el9_2.10.aarch64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-debugsource-32:9.16.23-11.el9_2.10.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-debugsource-32:9.16.23-11.el9_2.10.s390x | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-debugsource-32:9.16.23-11.el9_2.10.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-dnssec-doc-32:9.16.23-11.el9_2.10.noarch | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-dnssec-utils-32:9.16.23-11.el9_2.10.aarch64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-dnssec-utils-32:9.16.23-11.el9_2.10.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-dnssec-utils-32:9.16.23-11.el9_2.10.s390x | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-dnssec-utils-32:9.16.23-11.el9_2.10.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-dnssec-utils-debuginfo-32:9.16.23-11.el9_2.10.aarch64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-dnssec-utils-debuginfo-32:9.16.23-11.el9_2.10.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-dnssec-utils-debuginfo-32:9.16.23-11.el9_2.10.s390x | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-dnssec-utils-debuginfo-32:9.16.23-11.el9_2.10.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-libs-debuginfo-32:9.16.23-11.el9_2.10.aarch64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-libs-debuginfo-32:9.16.23-11.el9_2.10.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-libs-debuginfo-32:9.16.23-11.el9_2.10.s390x | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-libs-debuginfo-32:9.16.23-11.el9_2.10.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-license-32:9.16.23-11.el9_2.10.noarch | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-utils-32:9.16.23-11.el9_2.10.aarch64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-utils-32:9.16.23-11.el9_2.10.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-utils-32:9.16.23-11.el9_2.10.s390x | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-utils-32:9.16.23-11.el9_2.10.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-utils-debuginfo-32:9.16.23-11.el9_2.10.aarch64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-utils-debuginfo-32:9.16.23-11.el9_2.10.ppc64le | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-utils-debuginfo-32:9.16.23-11.el9_2.10.s390x | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:bind-utils-debuginfo-32:9.16.23-11.el9_2.10.x86_64 | — |
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:python3-bind-32:9.16.23-11.el9_2.10.noarch | — |
Workaround
|
Threats
Impact
Important
References
12 references
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"title": "Vulnerability summary"
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"title": "Statement"
},
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"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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],
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}
]
}
RHSA-2026:29863
Vulnerability from csaf_redhat - Published: 2026-07-02 18:31 - Updated: 2026-08-13 22:18Summary
Red Hat Security Advisory: OpenShift Container Platform 4.19.36 bug fix and security update
Severity
Important
Notes
Topic: Red Hat OpenShift Container Platform release 4.19.36 is now available with
updates to packages and images that fix several bugs and add enhancements.
This release includes a security update for Red Hat OpenShift Container
Platform 4.19.
Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.
Details: Red Hat OpenShift Container Platform is Red Hat's cloud computing
Kubernetes application platform solution designed for on-premise or private
cloud deployments.
This advisory contains the container images for Red Hat OpenShift Container
Platform 4.19.36. See the following advisory for the RPM packages for this
release:
https://access.redhat.com/errata/RHBA-2026:29862
Space precludes documenting all of the container images in this advisory.
See the following Release Notes documentation, which will be updated
shortly for this release, for details about these changes:
https://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html/release_notes/
Security Fix(es):
* bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated
zone (CVE-2026-1519)
* samba: Missing access check on reparse point operations (CVE-2026-1933)
* samba: group policy certificate enrollment uses http:// without
validation (CVE-2026-3012)
* samba: Remote Code Execution in SAMR (CVE-2026-4408)
* kernel: net/sched: act_pedit: extend the writable skb range per key
(CVE-2026-46331)
* samba: vfs_worm does not block directory modification (CVE-2026-2340)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
All OpenShift Container Platform 4.19 users are advised to upgrade to these
updated packages and images when they are available in the appropriate
release channel. To check for available updates, use the OpenShift CLI (oc)
or web console. Instructions for upgrading a cluster are available at
https://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html-single/updating_clusters/index#updating-cluster-cli.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service (DoS) for legitimate users.
7.5 (High)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in Samba’s handling of NTFS-style reparse points on shares configured with read only = yes. Due to missing SMB-layer access checks, authenticated users with underlying filesystem write permissions may create or delete reparse point metadata through SMB operations even on read-only exports. This could allow modification of SMB-visible file behavior, including converting files into symbolic links or other reparse point types.
7.1 (High)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in Samba’s vfs_worm module. The module is intended to provide write-once, read-many (WORM) protections by preventing modification of files after a configurable grace period. Due to insufficient validation during rename operations, an authenticated user with write access to a share could overwrite a protected file by renaming a newly created file over the existing WORM-protected file.
6.5 (Medium)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Moderate
A flaw was found in Samba’s certificate auto-enrollment Group Policy handling. When certificate auto-enrollment is enabled, Samba may retrieve a CA certificate over an unencrypted HTTP connection and install it into the local trust store without proper verification. An attacker with the ability to intercept or redirect network traffic could exploit this behavior to supply a malicious certificate authority certificate, potentially allowing interception or spoofing of trusted communications.
8.0 (High)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in Samba. A remote attacker can exploit a misconfiguration in Samba file servers and classic domain controllers that use the "check password script" feature. If this script is configured with the %u substitution character, the client-controlled username is passed without proper escaping of shell meta-characters. This vulnerability allows an attacker to achieve remote command execution on the affected system. This issue primarily affects non-standard configurations where the "check password script" is used with %u and the samba-dcerpcd service is started as a system service.
9.0 (Critical)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in the Linux kernel's traffic control packet editing (pedit) subsystem. In tcf_pedit_act(), the copy-on-write (COW) range for skb_ensure_writable() is computed once before iterating over edit keys, but the calculation does not account for runtime header offsets added by typed keys. This can leave part of the target write region without a proper copy-on-write, leading to an out-of-bounds write that corrupts page cache memory. A local attacker with the ability to configure traffic control rules could exploit this to escalate privileges or crash the system.
6.7 (Medium)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Low
References
43 references
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"product_reference": "rhcos-aarch64-4.19.9.6.202606241344-0",
"relates_to_product_reference": "9Base-RHOSE-4.19"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "rhcos-ppc64le-4.19.9.6.202606241344-0 as a component of Red Hat OpenShift Container Platform 4.19",
"product_id": "9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0"
},
"product_reference": "rhcos-ppc64le-4.19.9.6.202606241344-0",
"relates_to_product_reference": "9Base-RHOSE-4.19"
},
{
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"full_product_name": {
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"product_id": "9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0"
},
"product_reference": "rhcos-s390x-4.19.9.6.202606241344-0",
"relates_to_product_reference": "9Base-RHOSE-4.19"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "rhcos-x86_64-4.19.9.6.202606241344-0 as a component of Red Hat OpenShift Container Platform 4.19",
"product_id": "9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
},
"product_reference": "rhcos-x86_64-4.19.9.6.202606241344-0",
"relates_to_product_reference": "9Base-RHOSE-4.19"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-1519",
"cwe": {
"id": "CWE-770",
"name": "Allocation of Resources Without Limits or Throttling"
},
"discovery_date": "2026-03-25T14:01:56.586125+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2451305"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service (DoS) for legitimate users.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This vulnerability is rated as Important. A flaw in BIND allows a remote attacker to cause a Denial of Service by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. Red Hat systems running BIND configured for DNSSEC validation are affected. Authoritative-only BIND servers are generally not impacted unless configured to perform recursive queries.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-1519"
},
{
"category": "external",
"summary": "RHBZ#2451305",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451305"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-1519",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-1519"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-1519",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-1519"
},
{
"category": "external",
"summary": "https://downloads.isc.org/isc/bind9/9.18.47",
"url": "https://downloads.isc.org/isc/bind9/9.18.47"
},
{
"category": "external",
"summary": "https://downloads.isc.org/isc/bind9/9.20.21",
"url": "https://downloads.isc.org/isc/bind9/9.20.21"
},
{
"category": "external",
"summary": "https://downloads.isc.org/isc/bind9/9.21.20",
"url": "https://downloads.isc.org/isc/bind9/9.21.20"
},
{
"category": "external",
"summary": "https://kb.isc.org/docs/cve-2026-1519",
"url": "https://kb.isc.org/docs/cve-2026-1519"
}
],
"release_date": "2026-03-25T13:25:19.802000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-07-02T18:31:08+00:00",
"details": "For OpenShift Container Platform 4.19 see the following documentation,\nwhich will be updated shortly for this release, for important instructions\non how to upgrade your cluster and fully apply this asynchronous errata\nupdate:\n\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html/release_notes/\n\nYou may download the oc tool and use it to inspect release image metadata\nfor x86_64, s390x, ppc64le, and aarch64 architectures. The image digests\nmay be found at\nhttps://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.\n\nThe sha values for the release are as follows:\n\n (For x86_64 architecture)\n The image digest is sha256:314fe5cf32cbc22f8e400b211d530beeb027ac3d3cd5479ef953b74cf0c4676b\n\n (For s390x architecture)\n The image digest is sha256:4c7df105e7806009d6860cef81b0b5be58dc023df684bc43a61ed7dba5921bb6\n\n (For ppc64le architecture)\n The image digest is sha256:7f60908cbff8428a398d684ce298461a7fb865fb70f4b4211bb5a8a365400c08\n\n (For aarch64 architecture)\n The image digest is sha256:c771b7b0a37477cb8e88cc7acae2f1651c2a5645b84e23e091bc02b0efcf1e97\n\nAll OpenShift Container Platform 4.19 users are advised to upgrade to these\nupdated packages and images when they are available in the appropriate\nrelease channel. To check for available updates, use the OpenShift CLI (oc)\nor web console. Instructions for upgrading a cluster are available at\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html-single/updating_clusters/index#updating-cluster-cli.",
"product_ids": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:29863"
},
{
"category": "workaround",
"details": "To mitigate this issue, disable DNSSEC validation on affected BIND resolvers. Alternatively, configure the BIND server as authoritative-only if recursive queries are not required. Disabling DNSSEC validation may reduce the security posture of the DNS resolver. A restart of the BIND service (`named`) is required for these changes to take effect and may temporarily interrupt DNS resolution.",
"product_ids": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone"
},
{
"acknowledgments": [
{
"names": [
"Asim Viladi Oglu Manizada"
]
}
],
"cve": "CVE-2026-1933",
"cwe": {
"id": "CWE-284",
"name": "Improper Access Control"
},
"discovery_date": "2026-03-13T08:29:39.852000+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2447317"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Samba\u2019s handling of NTFS-style reparse points on shares configured with read only = yes. Due to missing SMB-layer access checks, authenticated users with underlying filesystem write permissions may create or delete reparse point metadata through SMB operations even on read-only exports. This could allow modification of SMB-visible file behavior, including converting files into symbolic links or other reparse point types.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "samba: Missing access check on reparse point operations",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This vulnerability is rated Important severity by Red Hat Product Security, because authenticated users with filesystem-level write permissions may bypass Samba\u2019s SMB-layer read-only protections for reparse point operations.\n\nThe flaw affects shares configured with \"read only = yes\", where Samba failed to properly enforce access checks when setting or deleting reparse point metadata. An attacker with existing write permissions on the underlying filesystem may manipulate SMB reparse point metadata to alter how files are presented to SMB clients, including converting files into symbolic links.\n\nThe vulnerability does not bypass underlying filesystem access controls or grant additional operating system privileges. However, successful exploitation may significantly disrupt file access for users of the affected share, including making large portions of a shared filesystem unavailable through widespread reparse point modification. Because the attack requires authenticated access and existing filesystem write permissions, Privileges Required are assessed as Low (PR:L).\n\n```\n\nThis vulnerability affects Samba versions beginning with the introduction of NTFS-style reparse point support in Samba 4.21.\n\n```",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-1933"
},
{
"category": "external",
"summary": "RHBZ#2447317",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2447317"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-1933",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-1933"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-1933",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-1933"
},
{
"category": "external",
"summary": "https://bugzilla.samba.org/show_bug.cgi?id=15992",
"url": "https://bugzilla.samba.org/show_bug.cgi?id=15992"
}
],
"release_date": "2026-05-27T12:08:33.095000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-07-02T18:31:08+00:00",
"details": "For OpenShift Container Platform 4.19 see the following documentation,\nwhich will be updated shortly for this release, for important instructions\non how to upgrade your cluster and fully apply this asynchronous errata\nupdate:\n\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html/release_notes/\n\nYou may download the oc tool and use it to inspect release image metadata\nfor x86_64, s390x, ppc64le, and aarch64 architectures. The image digests\nmay be found at\nhttps://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.\n\nThe sha values for the release are as follows:\n\n (For x86_64 architecture)\n The image digest is sha256:314fe5cf32cbc22f8e400b211d530beeb027ac3d3cd5479ef953b74cf0c4676b\n\n (For s390x architecture)\n The image digest is sha256:4c7df105e7806009d6860cef81b0b5be58dc023df684bc43a61ed7dba5921bb6\n\n (For ppc64le architecture)\n The image digest is sha256:7f60908cbff8428a398d684ce298461a7fb865fb70f4b4211bb5a8a365400c08\n\n (For aarch64 architecture)\n The image digest is sha256:c771b7b0a37477cb8e88cc7acae2f1651c2a5645b84e23e091bc02b0efcf1e97\n\nAll OpenShift Container Platform 4.19 users are advised to upgrade to these\nupdated packages and images when they are available in the appropriate\nrelease channel. To check for available updates, use the OpenShift CLI (oc)\nor web console. Instructions for upgrading a cluster are available at\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html-single/updating_clusters/index#updating-cluster-cli.",
"product_ids": [
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"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:29863"
},
{
"category": "workaround",
"details": "Administrators can mitigate this issue by ensuring users who access a read only = yes Samba share do not have filesystem-level write permission to the exported files.\n\nA server administrator may also monitor and remove unintended \"user.SmbReparse\" xattr (extended attributes) and the associated FILE_ATTRIBUTE_REPARSE_POINT \"user.DosAttrib\" bit metadata if exploitation is suspected.",
"product_ids": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H",
"version": "3.1"
},
"products": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "samba: Missing access check on reparse point operations"
},
{
"acknowledgments": [
{
"names": [
"Pavel Kohout"
],
"organization": "Aisle Research"
}
],
"cve": "CVE-2026-2340",
"cwe": {
"id": "CWE-280",
"name": "Improper Handling of Insufficient Permissions or Privileges"
},
"discovery_date": "2026-03-13T12:55:04.465000+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2447318"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Samba\u2019s vfs_worm module. The module is intended to provide write-once, read-many (WORM) protections by preventing modification of files after a configurable grace period. Due to insufficient validation during rename operations, an authenticated user with write access to a share could overwrite a protected file by renaming a newly created file over the existing WORM-protected file.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "samba: vfs_worm does not block directory modification",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This vulnerability is rated Moderate severity because exploitation requires authenticated write access to a Samba share already configured to permit file creation and modification.\n\nThe flaw affects the vfs_worm module, which provides additional immutability protections for files after a configurable grace period. Due to improper handling of rename operations, a user with existing write permissions could overwrite files that should have become immutable under the WORM policy.\n\nThe vulnerability does not bypass underlying filesystem access controls or grant additional privileges beyond those already assigned to the authenticated user. However, because the primary purpose of the vfs_worm module is to protect file integrity, the ability to modify protected files results in a high integrity impact.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-2340"
},
{
"category": "external",
"summary": "RHBZ#2447318",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2447318"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-2340",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-2340"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-2340",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2340"
},
{
"category": "external",
"summary": "https://bugzilla.samba.org/show_bug.cgi?id=15997",
"url": "https://bugzilla.samba.org/show_bug.cgi?id=15997"
}
],
"release_date": "2026-05-27T10:35:47.805000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-07-02T18:31:08+00:00",
"details": "For OpenShift Container Platform 4.19 see the following documentation,\nwhich will be updated shortly for this release, for important instructions\non how to upgrade your cluster and fully apply this asynchronous errata\nupdate:\n\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html/release_notes/\n\nYou may download the oc tool and use it to inspect release image metadata\nfor x86_64, s390x, ppc64le, and aarch64 architectures. The image digests\nmay be found at\nhttps://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.\n\nThe sha values for the release are as follows:\n\n (For x86_64 architecture)\n The image digest is sha256:314fe5cf32cbc22f8e400b211d530beeb027ac3d3cd5479ef953b74cf0c4676b\n\n (For s390x architecture)\n The image digest is sha256:4c7df105e7806009d6860cef81b0b5be58dc023df684bc43a61ed7dba5921bb6\n\n (For ppc64le architecture)\n The image digest is sha256:7f60908cbff8428a398d684ce298461a7fb865fb70f4b4211bb5a8a365400c08\n\n (For aarch64 architecture)\n The image digest is sha256:c771b7b0a37477cb8e88cc7acae2f1651c2a5645b84e23e091bc02b0efcf1e97\n\nAll OpenShift Container Platform 4.19 users are advised to upgrade to these\nupdated packages and images when they are available in the appropriate\nrelease channel. To check for available updates, use the OpenShift CLI (oc)\nor web console. Instructions for upgrading a cluster are available at\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html-single/updating_clusters/index#updating-cluster-cli.",
"product_ids": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:29863"
},
{
"category": "workaround",
"details": "Administrators can mitigate this issue by:\n\nSetting read-only permissions on protected files at the underlying filesystem level will prevent modifications.\n\nConfiguring ```worm:grace_period = 0``` (zero or less) in smb.conf will eliminate the writable grace period (will eliminate the window in which the rename can happen), understanding that this may impact workflows requiring multi-step file creation.",
"product_ids": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
},
"products": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "samba: vfs_worm does not block directory modification"
},
{
"acknowledgments": [
{
"names": [
"Arad Inbar",
"Nir Somech",
"Ben Grinberg"
],
"organization": "DREAM Security Research Team"
},
{
"names": [
"Michalis Vasileiadis"
]
}
],
"cve": "CVE-2026-3012",
"cwe": {
"id": "CWE-345",
"name": "Insufficient Verification of Data Authenticity"
},
"discovery_date": "2026-03-13T12:55:02.623000+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2447319"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Samba\u2019s certificate auto-enrollment Group Policy handling. When certificate auto-enrollment is enabled, Samba may retrieve a CA certificate over an unencrypted HTTP connection and install it into the local trust store without proper verification. An attacker with the ability to intercept or redirect network traffic could exploit this behavior to supply a malicious certificate authority certificate, potentially allowing interception or spoofing of trusted communications.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "samba: group policy certificate enrollment uses http:// without validation",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat Product Security has rated this vulnerability as Important severity. \n\nHowever, exploitation requires several specific non-default conditions to be met. The vulnerable code path is only reachable when Samba Group Policy processing is explicitly enabled using the ```apply group policies = yes``` configuration option and certificate auto-enrollment is configured through Group Policy.\n\nHence, although the vulnerable code is present, it is not exploitable in default RHEL configurations. \n\nIn addition, the attacker must have the ability to intercept or redirect adjacent-network HTTP traffic during certificate retrieval. Because exploitation depends on explicit administrative configuration changes and adjacent-network positioning, Red Hat assesses the attack complexity as High (AC:H).",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-3012"
},
{
"category": "external",
"summary": "RHBZ#2447319",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2447319"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-3012",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-3012"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-3012",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-3012"
},
{
"category": "external",
"summary": "https://bugzilla.samba.org/show_bug.cgi?id=16003",
"url": "https://bugzilla.samba.org/show_bug.cgi?id=16003"
}
],
"release_date": "2026-05-27T09:17:49.862000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-07-02T18:31:08+00:00",
"details": "For OpenShift Container Platform 4.19 see the following documentation,\nwhich will be updated shortly for this release, for important instructions\non how to upgrade your cluster and fully apply this asynchronous errata\nupdate:\n\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html/release_notes/\n\nYou may download the oc tool and use it to inspect release image metadata\nfor x86_64, s390x, ppc64le, and aarch64 architectures. The image digests\nmay be found at\nhttps://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.\n\nThe sha values for the release are as follows:\n\n (For x86_64 architecture)\n The image digest is sha256:314fe5cf32cbc22f8e400b211d530beeb027ac3d3cd5479ef953b74cf0c4676b\n\n (For s390x architecture)\n The image digest is sha256:4c7df105e7806009d6860cef81b0b5be58dc023df684bc43a61ed7dba5921bb6\n\n (For ppc64le architecture)\n The image digest is sha256:7f60908cbff8428a398d684ce298461a7fb865fb70f4b4211bb5a8a365400c08\n\n (For aarch64 architecture)\n The image digest is sha256:c771b7b0a37477cb8e88cc7acae2f1651c2a5645b84e23e091bc02b0efcf1e97\n\nAll OpenShift Container Platform 4.19 users are advised to upgrade to these\nupdated packages and images when they are available in the appropriate\nrelease channel. To check for available updates, use the OpenShift CLI (oc)\nor web console. Instructions for upgrading a cluster are available at\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html-single/updating_clusters/index#updating-cluster-cli.",
"product_ids": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:29863"
},
{
"category": "workaround",
"details": "Systems are not affected unless Samba Group Policy processing and certificate auto-enrollment are explicitly enabled.\n\nAdministrators can reduce exposure by:\n\nAvoiding unnecessary use of certificate auto-enrollment.\nEnsuring your \"smb.conf\" does not contain a line like ```apply group policies = yes```. If , group policy is not be enabled, the vulnerable code will not run.\n\nIntercepting the HTTP request requires some control over the local network or other devices to intercept or redirect traffic. Some network administrators might assess this as a low risk on their\nnetworks.",
"product_ids": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N",
"version": "3.1"
},
"products": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "samba: group policy certificate enrollment uses http:// without validation"
},
{
"acknowledgments": [
{
"names": [
"Ron Ben Yizhak"
],
"organization": "SafeBreach"
},
{
"names": [
"John Walker"
],
"organization": "ZeroPath"
}
],
"cve": "CVE-2026-4408",
"cwe": {
"id": "CWE-78",
"name": "Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)"
},
"discovery_date": "2026-05-19T09:24:56.961000+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2479762"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Samba. A remote attacker can exploit a misconfiguration in Samba file servers and classic domain controllers that use the \"check password script\" feature. If this script is configured with the %u substitution character, the client-controlled username is passed without proper escaping of shell meta-characters. This vulnerability allows an attacker to achieve remote command execution on the affected system. This issue primarily affects non-standard configurations where the \"check password script\" is used with %u and the samba-dcerpcd service is started as a system service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "samba: Remote Code Execution in SAMR",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "An Important remote code execution flaw exists in Samba file servers and classic domain controllers when configured with a \u0027check password script\u0027 that uses the unescaped \u0027%u\u0027 substitution character. This vulnerability arises from a non-default configuration where the `samba-dcerpcd` service is started as a system service, allowing an attacker to execute arbitrary commands by injecting shell meta-characters into the username. Active Directory Domain Controllers are not affected.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-4408"
},
{
"category": "external",
"summary": "RHBZ#2479762",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2479762"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-4408",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-4408"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-4408",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4408"
},
{
"category": "external",
"summary": "https://bugzilla.samba.org/show_bug.cgi?id=16034",
"url": "https://bugzilla.samba.org/show_bug.cgi?id=16034"
}
],
"release_date": "2026-05-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-07-02T18:31:08+00:00",
"details": "For OpenShift Container Platform 4.19 see the following documentation,\nwhich will be updated shortly for this release, for important instructions\non how to upgrade your cluster and fully apply this asynchronous errata\nupdate:\n\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html/release_notes/\n\nYou may download the oc tool and use it to inspect release image metadata\nfor x86_64, s390x, ppc64le, and aarch64 architectures. The image digests\nmay be found at\nhttps://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.\n\nThe sha values for the release are as follows:\n\n (For x86_64 architecture)\n The image digest is sha256:314fe5cf32cbc22f8e400b211d530beeb027ac3d3cd5479ef953b74cf0c4676b\n\n (For s390x architecture)\n The image digest is sha256:4c7df105e7806009d6860cef81b0b5be58dc023df684bc43a61ed7dba5921bb6\n\n (For ppc64le architecture)\n The image digest is sha256:7f60908cbff8428a398d684ce298461a7fb865fb70f4b4211bb5a8a365400c08\n\n (For aarch64 architecture)\n The image digest is sha256:c771b7b0a37477cb8e88cc7acae2f1651c2a5645b84e23e091bc02b0efcf1e97\n\nAll OpenShift Container Platform 4.19 users are advised to upgrade to these\nupdated packages and images when they are available in the appropriate\nrelease channel. To check for available updates, use the OpenShift CLI (oc)\nor web console. Instructions for upgrading a cluster are available at\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html-single/updating_clusters/index#updating-cluster-cli.",
"product_ids": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:29863"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
"product_ids": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.0,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "samba: Remote Code Execution in SAMR"
},
{
"cve": "CVE-2026-46331",
"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
},
"discovery_date": "2026-05-18T06:17:23.219000+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2479492"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Linux kernel\u0027s traffic control packet editing (pedit) subsystem. In tcf_pedit_act(), the copy-on-write (COW) range for skb_ensure_writable() is computed once before iterating over edit keys, but the calculation does not account for runtime header offsets added by typed keys. This can leave part of the target write region without a proper copy-on-write, leading to an out-of-bounds write that corrupts page cache memory. A local attacker with the ability to configure traffic control rules could exploit this to escalate privileges or crash the system.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: net/sched: act_pedit: extend the writable skb range per key",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat rates this flaw as Important severity.\n\nThis vulnerability is in the kernel\u0027s traffic control (tc) pedit action, which requires CAP_NET_ADMIN capability to configure. By default in Red Hat Enterprise Linux, this limits exploitation to the root user or processes explicitly granted network administration capabilities. However, in some circumstances unprivileged users may obtain CAP_NET_ADMIN within user namespaces. Successful exploitation could lead to arbitrary code execution in kernel context or a system crash.\n\nRed Hat Enterprise Linux 7 and earlier are not affected. Within OpenShift Container Platform, the vulnerable module is not loaded by default, reducing the severity to Low.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-46331"
},
{
"category": "external",
"summary": "RHBZ#2479492",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2479492"
},
{
"category": "external",
"summary": "RHSB-2026-008",
"url": "https://access.redhat.com/security/vulnerabilities/RHSB-2026-008"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-46331",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46331"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-46331",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46331"
},
{
"category": "external",
"summary": "https://lore.kernel.org/netdev/20260516162825.1480113-1-rollkingzzc@gmail.com/",
"url": "https://lore.kernel.org/netdev/20260516162825.1480113-1-rollkingzzc@gmail.com/"
}
],
"release_date": "2026-05-18T04:04:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-07-02T18:31:08+00:00",
"details": "For OpenShift Container Platform 4.19 see the following documentation,\nwhich will be updated shortly for this release, for important instructions\non how to upgrade your cluster and fully apply this asynchronous errata\nupdate:\n\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html/release_notes/\n\nYou may download the oc tool and use it to inspect release image metadata\nfor x86_64, s390x, ppc64le, and aarch64 architectures. The image digests\nmay be found at\nhttps://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.\n\nThe sha values for the release are as follows:\n\n (For x86_64 architecture)\n The image digest is sha256:314fe5cf32cbc22f8e400b211d530beeb027ac3d3cd5479ef953b74cf0c4676b\n\n (For s390x architecture)\n The image digest is sha256:4c7df105e7806009d6860cef81b0b5be58dc023df684bc43a61ed7dba5921bb6\n\n (For ppc64le architecture)\n The image digest is sha256:7f60908cbff8428a398d684ce298461a7fb865fb70f4b4211bb5a8a365400c08\n\n (For aarch64 architecture)\n The image digest is sha256:c771b7b0a37477cb8e88cc7acae2f1651c2a5645b84e23e091bc02b0efcf1e97\n\nAll OpenShift Container Platform 4.19 users are advised to upgrade to these\nupdated packages and images when they are available in the appropriate\nrelease channel. To check for available updates, use the OpenShift CLI (oc)\nor web console. Instructions for upgrading a cluster are available at\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html-single/updating_clusters/index#updating-cluster-cli.",
"product_ids": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:29863"
},
{
"category": "workaround",
"details": "See the security bulletin for a detailed mitigation procedure.",
"product_ids": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"9Base-RHOSE-4.19:rhcos-aarch64-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-ppc64le-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-s390x-4.19.9.6.202606241344-0",
"9Base-RHOSE-4.19:rhcos-x86_64-4.19.9.6.202606241344-0"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "kernel: net/sched: act_pedit: extend the writable skb range per key"
}
]
}
RHSA-2026:34048
Vulnerability from csaf_redhat - Published: 2026-07-09 20:00 - Updated: 2026-08-06 18:51Summary
Red Hat Security Advisory: OpenShift Container Platform 4.12.93 bug fix and security update
Severity
Important
Notes
Topic: Red Hat OpenShift Container Platform release 4.12.93 is now available with
updates to packages and images that fix several bugs and add enhancements.
This release includes a security update for Red Hat OpenShift Container
Platform 4.12.
Red Hat Product Security has rated this update as having a security impact
of Low. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.
Details: Red Hat OpenShift Container Platform is Red Hat's cloud computing
Kubernetes application platform solution designed for on-premise or private
cloud deployments.
This advisory contains the container images for Red Hat OpenShift Container
Platform 4.12.93. See the following advisory for the RPM packages for this
release:
https://access.redhat.com/errata/RHBA-2026:34046
Space precludes documenting all of the container images in this advisory.
See the following Release Notes documentation, which will be updated
shortly for this release, for details about these changes:
https://docs.redhat.com/en/documentation/openshift_container_platform/4.12/html/release_notes
Security Fix(es):
None
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
All OpenShift Container Platform 4.12 users are advised to upgrade to these
updated packages and images when they are available in the appropriate
release channel. To check for available updates, use the OpenShift CLI (oc)
or web console. Instructions for upgrading a cluster are available at
https://docs.redhat.com/en/documentation/openshift_container_platform/4.12/html-single/updating_clusters/index#updating-cluster-within-minor.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service (DoS) for legitimate users.
7.5 (High)
Affected products
Fixed
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 8Base-RHOSE-4.12:rhcos-x86_64-412.86.202606251120-0 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A privilege escalation vulnerability was found in the Linux kernel's CIFS client implementation. This could allow a local attacker to impersonate other users, bypass authentication in SMB mount operations, and potentially gain unauthorized access to network file shares or escalate privileges.
7.8 (High)
Affected products
Fixed
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 8Base-RHOSE-4.12:rhcos-x86_64-412.86.202606251120-0 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Low
A flaw was found in the Linux kernel's traffic control packet editing (pedit) subsystem. In tcf_pedit_act(), the copy-on-write (COW) range for skb_ensure_writable() is computed once before iterating over edit keys, but the calculation does not account for runtime header offsets added by typed keys. This can leave part of the target write region without a proper copy-on-write, leading to an out-of-bounds write that corrupts page cache memory. A local attacker with the ability to configure traffic control rules could exploit this to escalate privileges or crash the system.
6.7 (Medium)
Affected products
Fixed
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 8Base-RHOSE-4.12:rhcos-x86_64-412.86.202606251120-0 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Low
References
27 references
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"category": "description",
"text": "A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service (DoS) for legitimate users.",
"title": "Vulnerability description"
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"text": "bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone",
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"text": "This vulnerability is rated as Important. A flaw in BIND allows a remote attacker to cause a Denial of Service by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. Red Hat systems running BIND configured for DNSSEC validation are affected. Authoritative-only BIND servers are generally not impacted unless configured to perform recursive queries.",
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"title": "CVSS score applicability"
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"details": "For OpenShift Container Platform 4.12 see the following documentation,\nwhich will be updated shortly for this release, for important instructions\non how to upgrade your cluster and fully apply this asynchronous errata\nupdate:\n\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.12/html/release_notes\n\nYou may download the oc tool and use it to inspect release image metadata\nfor x86_64 architecture. The image digest may be found at\nhttps://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.\n\n The sha value for the release is as follows:\n\n (For x86_64 architecture)\n The image digest is sha256:746f1a33a0b89a5489916b10366777b2672b65cfcd0cdfaffe5a710e3aa15f35\n\nAll OpenShift Container Platform 4.12 users are advised to upgrade to these\nupdated packages and images when they are available in the appropriate\nrelease channel. To check for available updates, use the OpenShift CLI (oc)\nor web console. Instructions for upgrading a cluster are available at\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.12/html-single/updating_clusters/index#updating-cluster-within-minor.",
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"details": "To mitigate this issue, disable DNSSEC validation on affected BIND resolvers. Alternatively, configure the BIND server as authoritative-only if recursive queries are not required. Disabling DNSSEC validation may reduce the security posture of the DNS resolver. A restart of the BIND service (`named`) is required for these changes to take effect and may temporarily interrupt DNS resolution.",
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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"title": "bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone"
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},
"discovery_date": "2026-05-26T15:07:49.955000+00:00",
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"notes": [
{
"category": "description",
"text": "A privilege escalation vulnerability was found in the Linux kernel\u0027s CIFS client implementation. This could allow a local attacker to impersonate other users, bypass authentication in SMB mount operations, and potentially gain unauthorized access to network file shares or escalate privileges.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue is classified as Important severity primarily because a low-privileged local user can achieve full privilege escalation to root without any user interaction. The attack requires local access, which prevents remote exploitation and is the primary factor keeping the rating at Important rather than Critical.\n\nExploitation requires three components to be present on the system: the `cifs` kernel module (loaded or loadable), the `cifs-utils` package with its default `cifs.spnego` request-key rule, and the ability to create unprivileged user and mount namespaces. All three must be present for the attack chain to succeed. Environments that do not use SMB/CIFS file shares or Active Directory integration are unlikely to have `cifs-utils` installed, reducing their exposure.\n\nIn OpenShift Container Platform 4, this flaw is rated Low. The default `restricted-v2` Security Context Constraint (SCC) sets `allowPrivilegeEscalation: false` on all pods, which causes the kernel to ignore setuid file bits, preventing privilege escalation. Under non-default SCCs such as `anyuid` that permit privilege escalation, the vulnerability is constrained by PID and mount namespace isolation to the container\u0027s own filesystem. An attacker would only be able to escalate privileges within the container, not on the host or across pods.",
"title": "Statement"
},
{
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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"date": "2026-07-09T20:00:54+00:00",
"details": "For OpenShift Container Platform 4.12 see the following documentation,\nwhich will be updated shortly for this release, for important instructions\non how to upgrade your cluster and fully apply this asynchronous errata\nupdate:\n\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.12/html/release_notes\n\nYou may download the oc tool and use it to inspect release image metadata\nfor x86_64 architecture. The image digest may be found at\nhttps://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.\n\n The sha value for the release is as follows:\n\n (For x86_64 architecture)\n The image digest is sha256:746f1a33a0b89a5489916b10366777b2672b65cfcd0cdfaffe5a710e3aa15f35\n\nAll OpenShift Container Platform 4.12 users are advised to upgrade to these\nupdated packages and images when they are available in the appropriate\nrelease channel. To check for available updates, use the OpenShift CLI (oc)\nor web console. Instructions for upgrading a cluster are available at\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.12/html-single/updating_clusters/index#updating-cluster-within-minor.",
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"scores": [
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"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
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]
}
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"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions"
},
{
"cve": "CVE-2026-46331",
"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
},
"discovery_date": "2026-05-18T06:17:23.219000+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2479492"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Linux kernel\u0027s traffic control packet editing (pedit) subsystem. In tcf_pedit_act(), the copy-on-write (COW) range for skb_ensure_writable() is computed once before iterating over edit keys, but the calculation does not account for runtime header offsets added by typed keys. This can leave part of the target write region without a proper copy-on-write, leading to an out-of-bounds write that corrupts page cache memory. A local attacker with the ability to configure traffic control rules could exploit this to escalate privileges or crash the system.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: net/sched: act_pedit: extend the writable skb range per key",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat rates this flaw as Important severity.\n\nThis vulnerability is in the kernel\u0027s traffic control (tc) pedit action, which requires CAP_NET_ADMIN capability to configure. By default in Red Hat Enterprise Linux, this limits exploitation to the root user or processes explicitly granted network administration capabilities. However, in some circumstances unprivileged users may obtain CAP_NET_ADMIN within user namespaces. Successful exploitation could lead to arbitrary code execution in kernel context or a system crash.\n\nRed Hat Enterprise Linux 7 and earlier are not affected. Within OpenShift Container Platform, the vulnerable module is not loaded by default, reducing the severity to Low.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
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"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-46331"
},
{
"category": "external",
"summary": "RHBZ#2479492",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2479492"
},
{
"category": "external",
"summary": "RHSB-2026-008",
"url": "https://access.redhat.com/security/vulnerabilities/RHSB-2026-008"
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},
{
"category": "external",
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46331"
},
{
"category": "external",
"summary": "https://lore.kernel.org/netdev/20260516162825.1480113-1-rollkingzzc@gmail.com/",
"url": "https://lore.kernel.org/netdev/20260516162825.1480113-1-rollkingzzc@gmail.com/"
}
],
"release_date": "2026-05-18T04:04:00+00:00",
"remediations": [
{
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"date": "2026-07-09T20:00:54+00:00",
"details": "For OpenShift Container Platform 4.12 see the following documentation,\nwhich will be updated shortly for this release, for important instructions\non how to upgrade your cluster and fully apply this asynchronous errata\nupdate:\n\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.12/html/release_notes\n\nYou may download the oc tool and use it to inspect release image metadata\nfor x86_64 architecture. The image digest may be found at\nhttps://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.\n\n The sha value for the release is as follows:\n\n (For x86_64 architecture)\n The image digest is sha256:746f1a33a0b89a5489916b10366777b2672b65cfcd0cdfaffe5a710e3aa15f35\n\nAll OpenShift Container Platform 4.12 users are advised to upgrade to these\nupdated packages and images when they are available in the appropriate\nrelease channel. To check for available updates, use the OpenShift CLI (oc)\nor web console. Instructions for upgrading a cluster are available at\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.12/html-single/updating_clusters/index#updating-cluster-within-minor.",
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"restart_required": {
"category": "none"
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"url": "https://access.redhat.com/errata/RHSA-2026:34048"
},
{
"category": "workaround",
"details": "See the security bulletin for a detailed mitigation procedure.",
"product_ids": [
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],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"8Base-RHOSE-4.12:rhcos-x86_64-412.86.202606251120-0"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "kernel: net/sched: act_pedit: extend the writable skb range per key"
}
]
}
RHSA-2026:36610
Vulnerability from csaf_redhat - Published: 2026-07-20 01:33 - Updated: 2026-07-31 20:39Summary
Red Hat Security Advisory: OpenShift Container Platform 4.14.69 bug fix and security update
Severity
Important
Notes
Topic: Red Hat OpenShift Container Platform release 4.14.69 is now available with
updates to packages and images that fix several bugs and add enhancements.
This release includes a security update for Red Hat OpenShift Container
Platform 4.14.
Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.
Details: Red Hat OpenShift Container Platform is Red Hat's cloud computing
Kubernetes application platform solution designed for on-premise or private
cloud deployments.
This advisory contains the container images for Red Hat OpenShift Container
Platform 4.14.69. There are no RPM packages for this release.
Space precludes documenting all of the container images in this advisory.
See the following Release Notes documentation, which will be updated
shortly for this release, for details about these changes:
https://docs.redhat.com/en/documentation/openshift_container_platform/4.14/html/release_notes/
Security Fix(es):
* bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated
zone (CVE-2026-1519)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
All OpenShift Container Platform 4.14 users are advised to upgrade to these
updated packages and images when they are available in the appropriate
release channel. To check for available updates, use the OpenShift CLI (oc)
or web console. Instructions for upgrading a cluster are available at
https://docs.redhat.com/en/documentation/openshift_container_platform/4.14/html-single/updating_clusters/index#updating-cluster-cli.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service (DoS) for legitimate users.
7.5 (High)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 9Base-RHOSE-4.14:rhcos-aarch64-414.92.202607031936-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.14:rhcos-ppc64le-414.92.202607031936-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.14:rhcos-s390x-414.92.202607031936-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.14:rhcos-x86_64-414.92.202607031936-0 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
References
12 references
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{
"cve": "CVE-2026-1519",
"cwe": {
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"name": "Allocation of Resources Without Limits or Throttling"
},
"discovery_date": "2026-03-25T14:01:56.586125+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2451305"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service (DoS) for legitimate users.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This vulnerability is rated as Important. A flaw in BIND allows a remote attacker to cause a Denial of Service by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. Red Hat systems running BIND configured for DNSSEC validation are affected. Authoritative-only BIND servers are generally not impacted unless configured to perform recursive queries.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-1519"
},
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451305"
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"url": "https://www.cve.org/CVERecord?id=CVE-2026-1519"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-1519",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-1519"
},
{
"category": "external",
"summary": "https://downloads.isc.org/isc/bind9/9.18.47",
"url": "https://downloads.isc.org/isc/bind9/9.18.47"
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"summary": "https://downloads.isc.org/isc/bind9/9.20.21",
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}
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"release_date": "2026-03-25T13:25:19.802000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-07-20T01:33:04+00:00",
"details": "For OpenShift Container Platform 4.14 see the following documentation,\nwhich will be updated shortly for this release, for important instructions\non how to upgrade your cluster and fully apply this asynchronous errata\nupdate:\n\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.14/html/release_notes/\n\nYou may download the oc tool and use it to inspect release image metadata\nfor x86_64, s390x, ppc64le, and aarch64 architectures. The image digests\nmay be found at\nhttps://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.\n\nThe sha values for the release are as follows:\n\n (For x86_64 architecture)\n The image digest is sha256:7e25cbd4bc54aad147c040958ab4cda5d403ff5f4e6b0625625c7bfef91c89c5\n\n (For s390x architecture)\n The image digest is sha256:6d3480e51422e450d54dc26db86ec6fc5724411286a9b510fcf7503ea5d04883\n\n (For ppc64le architecture)\n The image digest is sha256:535f5608dafe33eaf0c49cc51ab3a798d9d54593a6dd13a5a0b04846fe28c3f8\n\n (For aarch64 architecture)\n The image digest is sha256:8202bb741e00ed74e1ec516c9fc549fb4dfdf76bdd4c7a67df15c3333ebe025e\n\nAll OpenShift Container Platform 4.14 users are advised to upgrade to these\nupdated packages and images when they are available in the appropriate\nrelease channel. To check for available updates, use the OpenShift CLI (oc)\nor web console. Instructions for upgrading a cluster are available at\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.14/html-single/updating_clusters/index#updating-cluster-cli.",
"product_ids": [
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],
"restart_required": {
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},
"url": "https://access.redhat.com/errata/RHSA-2026:36610"
},
{
"category": "workaround",
"details": "To mitigate this issue, disable DNSSEC validation on affected BIND resolvers. Alternatively, configure the BIND server as authoritative-only if recursive queries are not required. Disabling DNSSEC validation may reduce the security posture of the DNS resolver. A restart of the BIND service (`named`) is required for these changes to take effect and may temporarily interrupt DNS resolution.",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"9Base-RHOSE-4.14:rhcos-aarch64-414.92.202607031936-0",
"9Base-RHOSE-4.14:rhcos-ppc64le-414.92.202607031936-0",
"9Base-RHOSE-4.14:rhcos-s390x-414.92.202607031936-0",
"9Base-RHOSE-4.14:rhcos-x86_64-414.92.202607031936-0"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone"
}
]
}
RHSA-2026:40021
Vulnerability from csaf_redhat - Published: 2026-07-23 07:30 - Updated: 2026-08-09 18:33Summary
Red Hat Security Advisory: OpenShift Container Platform 4.13.69 bug fix and security update
Severity
Important
Notes
Topic: Red Hat OpenShift Container Platform release 4.13.69 is now available with updates to packages and images that fix several bugs and add enhancements.
This release includes a security update for Red Hat OpenShift Container Platform 4.13.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.
This advisory contains the container images for Red Hat OpenShift Container Platform 4.13.69. See the following advisory for the RPM packages for this release:
https://access.redhat.com/errata/RHBA-2026:40020
Space precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes:
https://docs.redhat.com/en/documentation/openshift_container_platform/4.13/html/release_notes
Security Fix(es):
* bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone (CVE-2026-1519)
* glibc: glibc: Heap Buffer Overflow in `scanf` with `%mc` format specifier and large width CVE-2026-5450)
* kernel: net/sched: act_pedit: extend the writable skb range per key (CVE-2026-46331)
* kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions (CVE-2026-46243)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
All OpenShift Container Platform 4.13 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.13/html-single/updating_clusters/index#updating-cluster-within-minor.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service (DoS) for legitimate users.
7.5 (High)
Affected products
Fixed
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 9Base-RHOSE-4.13:rhcos-x86_64-413.92.202607141229-0 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in glibc (GNU C Library). This vulnerability occurs when an application uses the `scanf` family of functions with a `%mc` format specifier, which is used for dynamically allocating memory for character input, and provides an explicit width greater than 1024. This specific combination can lead to a one-byte heap buffer overflow, potentially allowing an attacker to corrupt memory.
5.0 (Medium)
Affected products
Fixed
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 9Base-RHOSE-4.13:rhcos-x86_64-413.92.202607141229-0 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Moderate
A privilege escalation vulnerability was found in the Linux kernel's CIFS client implementation. This could allow a local attacker to impersonate other users, bypass authentication in SMB mount operations, and potentially gain unauthorized access to network file shares or escalate privileges.
7.8 (High)
Affected products
Fixed
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 9Base-RHOSE-4.13:rhcos-x86_64-413.92.202607141229-0 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Low
A flaw was found in the Linux kernel's traffic control packet editing (pedit) subsystem. In tcf_pedit_act(), the copy-on-write (COW) range for skb_ensure_writable() is computed once before iterating over edit keys, but the calculation does not account for runtime header offsets added by typed keys. This can leave part of the target write region without a proper copy-on-write, leading to an out-of-bounds write that corrupts page cache memory. A local attacker with the ability to configure traffic control rules could exploit this to escalate privileges or crash the system.
6.7 (Medium)
Affected products
Fixed
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 9Base-RHOSE-4.13:rhcos-x86_64-413.92.202607141229-0 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Low
References
35 references
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"text": "A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service (DoS) for legitimate users.",
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"text": "A flaw was found in glibc (GNU C Library). This vulnerability occurs when an application uses the `scanf` family of functions with a `%mc` format specifier, which is used for dynamically allocating memory for character input, and provides an explicit width greater than 1024. This specific combination can lead to a one-byte heap buffer overflow, potentially allowing an attacker to corrupt memory.",
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"text": "Because this flaw requires that an affected application call the affected functions with an attacker-supplied value, Red Hat assesses the Attack Complexity of this flaw as High. Additionally, the flaw overflows a single byte onto the heap, so meaningful exploitation requires that the heap is structured such that a single byte can lead to an attacker-controlled outcome, or that the affected functions can be invoked with an attacker-controlled buffer base address. Regarding Attack Vector and Privileges Required, Red Hat assesses these elements as Local and Low respectively, as remote unauthenticated exploitation would require all the conditions above in a library client that listened on a network port and processed attacker-controllable data with the affected library functions.",
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"title": "glibc: glibc: Heap Buffer Overflow in `scanf` with `%mc` format specifier and large width"
},
{
"cve": "CVE-2026-46243",
"cwe": {
"id": "CWE-825",
"name": "Expired Pointer Dereference"
},
"discovery_date": "2026-05-26T15:07:49.955000+00:00",
"ids": [
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"text": "2481486"
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"category": "description",
"text": "A privilege escalation vulnerability was found in the Linux kernel\u0027s CIFS client implementation. This could allow a local attacker to impersonate other users, bypass authentication in SMB mount operations, and potentially gain unauthorized access to network file shares or escalate privileges.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue is classified as Important severity primarily because a low-privileged local user can achieve full privilege escalation to root without any user interaction. The attack requires local access, which prevents remote exploitation and is the primary factor keeping the rating at Important rather than Critical.\n\nExploitation requires three components to be present on the system: the `cifs` kernel module (loaded or loadable), the `cifs-utils` package with its default `cifs.spnego` request-key rule, and the ability to create unprivileged user and mount namespaces. All three must be present for the attack chain to succeed. Environments that do not use SMB/CIFS file shares or Active Directory integration are unlikely to have `cifs-utils` installed, reducing their exposure.\n\nIn OpenShift Container Platform 4, this flaw is rated Low. The default `restricted-v2` Security Context Constraint (SCC) sets `allowPrivilegeEscalation: false` on all pods, which causes the kernel to ignore setuid file bits, preventing privilege escalation. Under non-default SCCs such as `anyuid` that permit privilege escalation, the vulnerability is constrained by PID and mount namespace isolation to the container\u0027s own filesystem. An attacker would only be able to escalate privileges within the container, not on the host or across pods.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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"category": "vendor_fix",
"date": "2026-07-23T07:30:26+00:00",
"details": "For OpenShift Container Platform 4.13 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update:\n\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.13/html/release_notes\n\nYou may download the oc tool and use it to inspect release image metadata for x86_64 architecture. The image digest may be found at https://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.\n\n The sha value for the release is as follows:\n\n (For x86_64 architecture)\n The image digest is sha256:6ff433fc5d4e0a3e7a0496e41af47da5c9349afeaad949e6d3bb49764618e1b9\n\nAll OpenShift Container Platform 4.13 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.13/html-single/updating_clusters/index#updating-cluster-within-minor.",
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],
"title": "kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions"
},
{
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"text": "A flaw was found in the Linux kernel\u0027s traffic control packet editing (pedit) subsystem. In tcf_pedit_act(), the copy-on-write (COW) range for skb_ensure_writable() is computed once before iterating over edit keys, but the calculation does not account for runtime header offsets added by typed keys. This can leave part of the target write region without a proper copy-on-write, leading to an out-of-bounds write that corrupts page cache memory. A local attacker with the ability to configure traffic control rules could exploit this to escalate privileges or crash the system.",
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"text": "kernel: net/sched: act_pedit: extend the writable skb range per key",
"title": "Vulnerability summary"
},
{
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"text": "Red Hat rates this flaw as Important severity.\n\nThis vulnerability is in the kernel\u0027s traffic control (tc) pedit action, which requires CAP_NET_ADMIN capability to configure. By default in Red Hat Enterprise Linux, this limits exploitation to the root user or processes explicitly granted network administration capabilities. However, in some circumstances unprivileged users may obtain CAP_NET_ADMIN within user namespaces. Successful exploitation could lead to arbitrary code execution in kernel context or a system crash.\n\nRed Hat Enterprise Linux 7 and earlier are not affected. Within OpenShift Container Platform, the vulnerable module is not loaded by default, reducing the severity to Low.",
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RHSA-2026:43226
Vulnerability from csaf_redhat - Published: 2026-07-31 15:08 - Updated: 2026-08-12 09:34Summary
Red Hat Security Advisory: OpenShift Container Platform 4.15.67 bug fix and security update
Severity
Important
Notes
Topic: Red Hat OpenShift Container Platform release 4.15.67 is now available with updates to packages and images that fix several bugs and add enhancements.
This release includes a security update for Red Hat OpenShift Container Platform 4.15.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.
This advisory contains the container images for Red Hat OpenShift Container Platform 4.15.67. See the following advisory for the RPM packages for this release:
https://access.redhat.com/errata/RHSA-2026:43225
Space precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes:
https://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html/release_notes/
Security Fix(es):
* bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone (CVE-2026-1519)
* glibc: glibc: Heap Buffer Overflow in `scanf` with `%mc` format specifier and large width (CVE-2026-5450)
* openssl: openssl: Information Disclosure from Uninitialized Memory via Invalid RSA Public Key (CVE-2026-31790)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
All OpenShift Container Platform 4.15 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at
https://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html-single/updating_clusters/index#updating-cluster-cli.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service (DoS) for legitimate users.
7.5 (High)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 9Base-RHOSE-4.15:rhcos-aarch64-415.92.202607210244-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.15:rhcos-ppc64le-415.92.202607210244-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.15:rhcos-s390x-415.92.202607210244-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.15:rhcos-x86_64-415.92.202607210244-0 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in glibc (GNU C Library). This vulnerability occurs when an application uses the `scanf` family of functions with a `%mc` format specifier, which is used for dynamically allocating memory for character input, and provides an explicit width greater than 1024. This specific combination can lead to a one-byte heap buffer overflow, potentially allowing an attacker to corrupt memory.
5.0 (Medium)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 9Base-RHOSE-4.15:rhcos-aarch64-415.92.202607210244-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.15:rhcos-ppc64le-415.92.202607210244-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.15:rhcos-s390x-415.92.202607210244-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.15:rhcos-x86_64-415.92.202607210244-0 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Moderate
A flaw was found in openssl. Applications that use RSASVE key encapsulation, a method for securely exchanging encryption keys, may inadvertently expose sensitive data. This vulnerability arises when an application processes a malicious, invalid RSA public key provided by an attacker without proper validation. Consequently, the application might send the contents of an uninitialized memory buffer, which could contain confidential information, to the attacker.
5.9 (Medium)
Affected products
Fixed
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 9Base-RHOSE-4.15:rhcos-aarch64-415.92.202607210244-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.15:rhcos-ppc64le-415.92.202607210244-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.15:rhcos-s390x-415.92.202607210244-0 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 9Base-RHOSE-4.15:rhcos-x86_64-415.92.202607210244-0 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Moderate
References
26 references
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"relates_to_product_reference": "9Base-RHOSE-4.15"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "rhcos-x86_64-415.92.202607210244-0 as a component of Red Hat OpenShift Container Platform 4.15",
"product_id": "9Base-RHOSE-4.15:rhcos-x86_64-415.92.202607210244-0"
},
"product_reference": "rhcos-x86_64-415.92.202607210244-0",
"relates_to_product_reference": "9Base-RHOSE-4.15"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-1519",
"cwe": {
"id": "CWE-770",
"name": "Allocation of Resources Without Limits or Throttling"
},
"discovery_date": "2026-03-25T14:01:56.586125+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2451305"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service (DoS) for legitimate users.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This vulnerability is rated as Important. A flaw in BIND allows a remote attacker to cause a Denial of Service by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. Red Hat systems running BIND configured for DNSSEC validation are affected. Authoritative-only BIND servers are generally not impacted unless configured to perform recursive queries.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"9Base-RHOSE-4.15:rhcos-aarch64-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-ppc64le-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-s390x-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-x86_64-415.92.202607210244-0"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-1519"
},
{
"category": "external",
"summary": "RHBZ#2451305",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451305"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-1519",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-1519"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-1519",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-1519"
},
{
"category": "external",
"summary": "https://downloads.isc.org/isc/bind9/9.18.47",
"url": "https://downloads.isc.org/isc/bind9/9.18.47"
},
{
"category": "external",
"summary": "https://downloads.isc.org/isc/bind9/9.20.21",
"url": "https://downloads.isc.org/isc/bind9/9.20.21"
},
{
"category": "external",
"summary": "https://downloads.isc.org/isc/bind9/9.21.20",
"url": "https://downloads.isc.org/isc/bind9/9.21.20"
},
{
"category": "external",
"summary": "https://kb.isc.org/docs/cve-2026-1519",
"url": "https://kb.isc.org/docs/cve-2026-1519"
}
],
"release_date": "2026-03-25T13:25:19.802000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-07-31T15:08:17+00:00",
"details": "For OpenShift Container Platform 4.15 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update:\n\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html/release_notes/\n\nYou may download the oc tool and use it to inspect release image metadata for x86_64, s390x, ppc64le, and aarch64 architectures. The image digests may be found at https://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.\n\nThe sha values for the release are as follows:\n\n (For x86_64 architecture)\n The image digest is sha256:2f76605ac71fd30ffe0f017cbff0c01a24dd2649002b397ba17b010f49c77884\n\n (For s390x architecture)\n The image digest is sha256:a3c80c9086377af739bb96dc18739d34adde8594eb216b293bfa5b8370be05e5\n\n (For ppc64le architecture)\n The image digest is sha256:f68d6c7055217da39e79072b58bacff19133f4af31b32b8c529be6c2a87458c1\n\n (For aarch64 architecture)\n The image digest is sha256:a9b3c83d6d295cfe71a46fa917e32aaabed01ecf4eb54e464428a9b92769b333\n\nAll OpenShift Container Platform 4.15 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html-single/updating_clusters/index#updating-cluster-cli.",
"product_ids": [
"9Base-RHOSE-4.15:rhcos-aarch64-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-ppc64le-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-s390x-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-x86_64-415.92.202607210244-0"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:43226"
},
{
"category": "workaround",
"details": "To mitigate this issue, disable DNSSEC validation on affected BIND resolvers. Alternatively, configure the BIND server as authoritative-only if recursive queries are not required. Disabling DNSSEC validation may reduce the security posture of the DNS resolver. A restart of the BIND service (`named`) is required for these changes to take effect and may temporarily interrupt DNS resolution.",
"product_ids": [
"9Base-RHOSE-4.15:rhcos-aarch64-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-ppc64le-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-s390x-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-x86_64-415.92.202607210244-0"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"9Base-RHOSE-4.15:rhcos-aarch64-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-ppc64le-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-s390x-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-x86_64-415.92.202607210244-0"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone"
},
{
"cve": "CVE-2026-5450",
"cwe": {
"id": "CWE-131",
"name": "Incorrect Calculation of Buffer Size"
},
"discovery_date": "2026-04-20T21:01:35.403778+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2459853"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in glibc (GNU C Library). This vulnerability occurs when an application uses the `scanf` family of functions with a `%mc` format specifier, which is used for dynamically allocating memory for character input, and provides an explicit width greater than 1024. This specific combination can lead to a one-byte heap buffer overflow, potentially allowing an attacker to corrupt memory.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "glibc: glibc: Heap Buffer Overflow in `scanf` with `%mc` format specifier and large width",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Because this flaw requires that an affected application call the affected functions with an attacker-supplied value, Red Hat assesses the Attack Complexity of this flaw as High. Additionally, the flaw overflows a single byte onto the heap, so meaningful exploitation requires that the heap is structured such that a single byte can lead to an attacker-controlled outcome, or that the affected functions can be invoked with an attacker-controlled buffer base address. Regarding Attack Vector and Privileges Required, Red Hat assesses these elements as Local and Low respectively, as remote unauthenticated exploitation would require all the conditions above in a library client that listened on a network port and processed attacker-controllable data with the affected library functions.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"9Base-RHOSE-4.15:rhcos-aarch64-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-ppc64le-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-s390x-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-x86_64-415.92.202607210244-0"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-5450"
},
{
"category": "external",
"summary": "RHBZ#2459853",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2459853"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-5450",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-5450"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-5450",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-5450"
},
{
"category": "external",
"summary": "https://inbox.sourceware.org/libc-announce/b11f0003-6ec1-4bd6-b9de-9e38a4efeca3@redhat.com/T/#u",
"url": "https://inbox.sourceware.org/libc-announce/b11f0003-6ec1-4bd6-b9de-9e38a4efeca3@redhat.com/T/#u"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-5450#range-21286997",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-5450#range-21286997"
},
{
"category": "external",
"summary": "https://sourceware.org/bugzilla/show_bug.cgi?id=CVE-2026-5450",
"url": "https://sourceware.org/bugzilla/show_bug.cgi?id=CVE-2026-5450"
}
],
"release_date": "2026-04-20T20:55:41.170000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-07-31T15:08:17+00:00",
"details": "For OpenShift Container Platform 4.15 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update:\n\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html/release_notes/\n\nYou may download the oc tool and use it to inspect release image metadata for x86_64, s390x, ppc64le, and aarch64 architectures. The image digests may be found at https://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.\n\nThe sha values for the release are as follows:\n\n (For x86_64 architecture)\n The image digest is sha256:2f76605ac71fd30ffe0f017cbff0c01a24dd2649002b397ba17b010f49c77884\n\n (For s390x architecture)\n The image digest is sha256:a3c80c9086377af739bb96dc18739d34adde8594eb216b293bfa5b8370be05e5\n\n (For ppc64le architecture)\n The image digest is sha256:f68d6c7055217da39e79072b58bacff19133f4af31b32b8c529be6c2a87458c1\n\n (For aarch64 architecture)\n The image digest is sha256:a9b3c83d6d295cfe71a46fa917e32aaabed01ecf4eb54e464428a9b92769b333\n\nAll OpenShift Container Platform 4.15 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html-single/updating_clusters/index#updating-cluster-cli.",
"product_ids": [
"9Base-RHOSE-4.15:rhcos-aarch64-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-ppc64le-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-s390x-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-x86_64-415.92.202607210244-0"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:43226"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
"product_ids": [
"9Base-RHOSE-4.15:rhcos-aarch64-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-ppc64le-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-s390x-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-x86_64-415.92.202607210244-0"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.0,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:H",
"version": "3.1"
},
"products": [
"9Base-RHOSE-4.15:rhcos-aarch64-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-ppc64le-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-s390x-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-x86_64-415.92.202607210244-0"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "glibc: glibc: Heap Buffer Overflow in `scanf` with `%mc` format specifier and large width"
},
{
"cve": "CVE-2026-31790",
"cwe": {
"id": "CWE-824",
"name": "Access of Uninitialized Pointer"
},
"discovery_date": "2026-03-25T02:59:10.179000+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2451094"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in openssl. Applications that use RSASVE key encapsulation, a method for securely exchanging encryption keys, may inadvertently expose sensitive data. This vulnerability arises when an application processes a malicious, invalid RSA public key provided by an attacker without proper validation. Consequently, the application might send the contents of an uninitialized memory buffer, which could contain confidential information, to the attacker.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "openssl: openssl: Information Disclosure from Uninitialized Memory via Invalid RSA Public Key",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Moderate impact. This flaw affects applications utilizing RSASVE key encapsulation, where an attacker-supplied invalid RSA public key is used with EVP_PKEY_encapsulate() without prior validation. This can lead to the disclosure of sensitive, uninitialized memory buffer contents to a malicious peer.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"9Base-RHOSE-4.15:rhcos-aarch64-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-ppc64le-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-s390x-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-x86_64-415.92.202607210244-0"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-31790"
},
{
"category": "external",
"summary": "RHBZ#2451094",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451094"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-31790",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-31790"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-31790",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31790"
},
{
"category": "external",
"summary": "https://openssl-library.org/news/secadv/20260407.txt",
"url": "https://openssl-library.org/news/secadv/20260407.txt"
}
],
"release_date": "2026-04-07T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-07-31T15:08:17+00:00",
"details": "For OpenShift Container Platform 4.15 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update:\n\nhttps://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html/release_notes/\n\nYou may download the oc tool and use it to inspect release image metadata for x86_64, s390x, ppc64le, and aarch64 architectures. The image digests may be found at https://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.\n\nThe sha values for the release are as follows:\n\n (For x86_64 architecture)\n The image digest is sha256:2f76605ac71fd30ffe0f017cbff0c01a24dd2649002b397ba17b010f49c77884\n\n (For s390x architecture)\n The image digest is sha256:a3c80c9086377af739bb96dc18739d34adde8594eb216b293bfa5b8370be05e5\n\n (For ppc64le architecture)\n The image digest is sha256:f68d6c7055217da39e79072b58bacff19133f4af31b32b8c529be6c2a87458c1\n\n (For aarch64 architecture)\n The image digest is sha256:a9b3c83d6d295cfe71a46fa917e32aaabed01ecf4eb54e464428a9b92769b333\n\nAll OpenShift Container Platform 4.15 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html-single/updating_clusters/index#updating-cluster-cli.",
"product_ids": [
"9Base-RHOSE-4.15:rhcos-aarch64-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-ppc64le-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-s390x-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-x86_64-415.92.202607210244-0"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:43226"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
"product_ids": [
"9Base-RHOSE-4.15:rhcos-aarch64-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-ppc64le-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-s390x-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-x86_64-415.92.202607210244-0"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"products": [
"9Base-RHOSE-4.15:rhcos-aarch64-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-ppc64le-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-s390x-415.92.202607210244-0",
"9Base-RHOSE-4.15:rhcos-x86_64-415.92.202607210244-0"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "openssl: openssl: Information Disclosure from Uninitialized Memory via Invalid RSA Public Key"
}
]
}
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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