Vulnerability-Lookup

CVE-2026-5419 (GCVE-0-2026-5419)

Vulnerability from cvelistv5 – Published: 2026-06-01 19:26 – Updated: 2026-09-01 12:07

Title

Gnutls: gnutls: information disclosure via timing side-channel in pkcs#7 padding removal

Summary

A flaw was found in gnutls. The PKCS#7 padding check, performed during decryption, was not constant-time. This timing side-channel could allow a remote attacker to potentially leak sensitive information about the padding bytes through observable timing differences. This vulnerability is a form of information disclosure.

Severity

3.7 (Low)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-02 12:35 UTC

CWE

CWE-208 - Observable Timing Discrepancy

Assigner

redhat redhat root

References

12 references

URL	Tags
https://access.redhat.com/errata/RHSA-2026:13274	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:20612	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:20613	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:26319	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:26409	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:29197	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:30004	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:32962	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:58981	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-5419	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2467686	issue-trackingx_refsource_REDHAT
https://www.gnutls.org/security-new.html#GNUTLS-S…

Impacted products

20 products

Vendor	Product	Version
		Affected: 0
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 0:3.8.10-4.el10_2 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	Unaffected: 0:3.8.9-9.el10_0.19 , < * (rpm) cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:3.8.10-4.el9_8 , < * (rpm) cpe:/a:redhat:enterprise_linux:9::appstream cpe:/o:redhat:enterprise_linux:9::baseos
Red Hat	Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions	Unaffected: 0:3.8.3-4.el9_4.6 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.4::appstream cpe:/o:redhat:rhel_e4s:9.4::baseos
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 0:3.8.3-6.el9_6.4 , < * (rpm) cpe:/a:redhat:rhel_eus:9.6::appstream cpe:/o:redhat:rhel_eus:9.6::baseos
Red Hat	Red Hat Discovery 2	Unaffected: 1782159791 , < * (rpm) cpe:/a:redhat:discovery:2::el9
Red Hat	Red Hat Discovery 2	Unaffected: 1782166952 , < * (rpm) cpe:/a:redhat:discovery:2::el9
Red Hat	Red Hat Hardened Images	Unaffected: 3.8.13-1.hum1 , < * (rpm) cpe:/a:redhat:hummingbird:1
Red Hat	Red Hat Update Infrastructure 5	Unaffected: 1781525684 , < * (rpm) cpe:/a:redhat:rhui:5::el9
Red Hat	Red Hat Update Infrastructure 5	Unaffected: 1781525671 , < * (rpm) cpe:/a:redhat:rhui:5::el9
Red Hat	Red Hat Update Infrastructure 5	Unaffected: 1781525693 , < * (rpm) cpe:/a:redhat:rhui:5::el9
Red Hat	Red Hat Update Infrastructure 5	Unaffected: 1781525739 , < * (rpm) cpe:/a:redhat:rhui:5::el9
Red Hat	Red Hat Update Infrastructure 5	Unaffected: 1787241211 , < * (rpm) cpe:/a:redhat:rhui:5::el9
Red Hat	Red Hat Update Infrastructure 5	Unaffected: 1787135742 , < * (rpm) cpe:/a:redhat:rhui:5::el9
Red Hat	Red Hat Update Infrastructure 5	Unaffected: 1787241260 , < * (rpm) cpe:/a:redhat:rhui:5::el9
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat OpenShift Container Platform 4	cpe:/a:redhat:openshift:4

Date Public

2026-04-29 00:00

Credits

Red Hat would like to thank Doria Tang (Stony Brook University) for reporting this issue.

Show details on NVD website

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\"https://access.redhat.com/errata/RHSA-2026:29197\", \"name\": \"RHSA-2026:29197\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:30004\", \"name\": \"RHSA-2026:30004\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:32962\", \"name\": \"RHSA-2026:32962\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:58981\", \"name\": \"RHSA-2026:58981\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/security/cve/CVE-2026-5419\", \"tags\": [\"vdb-entry\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2467686\", \"name\": \"RHBZ#2467686\", \"tags\": [\"issue-tracking\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://www.gnutls.org/security-new.html#GNUTLS-SA-2026-04-29-13\"}], \"x_generator\": {\"engine\": \"cvelib 1.8.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"A flaw was found in gnutls. The PKCS#7 padding check, performed during decryption, was not constant-time. This timing side-channel could allow a remote attacker to potentially leak sensitive information about the padding bytes through observable timing differences. This vulnerability is a form of information disclosure.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-208\", \"description\": \"Observable Timing Discrepancy\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2026-09-01T12:07:29.940Z\"}, \"x_redhatCweChain\": \"CWE-208: Observable Timing Discrepancy\"}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-5419\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-09-01T12:07:29.940Z\", \"dateReserved\": \"2026-04-02T11:07:20.944Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2026-06-01T19:26:56.524Z\", \"assignerShortName\": \"redhat\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

RHSA-2026:29197

Vulnerability from csaf_redhat - Published: 2026-06-24 16:29 - Updated: 2026-09-15 13:46

Summary

Red Hat Security Advisory: A Subscription Management tool for finding and reporting Red Hat product usage

Severity

Important

Scope

53 vulnerabilities in this advisory, including CVE-2026-5419.

CVE-2026-5419

3.7 (Low)


                
                  CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Fixed: 4 products

https://access.redhat.com/errata/RHSA-2026:29197

Open the full advisory

RHSA-2026:30004

Vulnerability from csaf_redhat - Published: 2026-06-25 18:37 - Updated: 2026-09-16 11:59

Summary

Red Hat Security Advisory: gnutls security update

Severity

Important

Scope

12 vulnerabilities in this advisory, including CVE-2026-5419.

CVE-2026-5419

3.7 (Low)


                
                  CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Fixed: 55 products Known not affected: 20 products

https://access.redhat.com/errata/RHSA-2026:30004

Open the full advisory

RHSA-2026:32962

Vulnerability from csaf_redhat - Published: 2026-06-29 10:17 - Updated: 2026-09-16 11:59

Summary

Red Hat Security Advisory: gnutls security update

Severity

Important

Scope

12 vulnerabilities in this advisory, including CVE-2026-5419.

CVE-2026-5419

3.7 (Low)


                
                  CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Fixed: 75 products

https://access.redhat.com/errata/RHSA-2026:32962

Open the full advisory

RHSA-2026:58981

Vulnerability from csaf_redhat - Published: 2026-08-24 11:15 - Updated: 2026-09-15 13:51

Summary

Red Hat Security Advisory: Red Hat Update Infrastructure 5.3 Technology Preview security update

Severity

Critical

Scope

118 vulnerabilities in this advisory, including CVE-2026-5419.

CVE-2026-5419

3.7 (Low)


                
                  CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Fixed: 3 products Known not affected: 1 product

https://access.redhat.com/errata/RHSA-2026:58981

Open the full advisory

rlsa-2026:20612

Vulnerability from osv_rocky

Published

2026-06-02 18:03

Modified

2026-06-16 18:05

Summary

Important: gnutls security update

Details

The gnutls packages provide the GNU Transport Layer Security (GnuTLS) library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS.

Security Fix(es):

gnutls: Fix qsort comparator in DTLS reassembly (CVE-2026-42009)
gnutls: Fix crashing on an underflow with a DTLS datagram (CVE-2026-33845)
gnutls: Fix RSA-PSK identity truncation (CVE-2026-42010)
gnutls: Fix case-sensitivity of domain name comparison in name constraints (CVE-2026-3833)
gnutls: Fix intersecting empty name constraints (CVE-2026-42011)
gnutls: Denial of Service via heap buffer overflow in DTLS handshake fragment reassembly (CVE-2026-33846)

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.

Severity

8.2 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

Credits

Rocky Enterprise Software Foundation

Red Hat

References

URL

Type

	https://errata.rockylinux.org/RLSA-2026:20612	ADVISORY
	https://bugzilla.redhat.com/show_bug.cgi?id=2445762	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2445763	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2450624	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2450625	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2467279	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2467289	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2467437	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2467441	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2467448	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2467450	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2467451	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2467678	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2467686	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Rocky Linux:9",
        "name": "gnutls",
        "purl": "pkg:rpm/rocky-linux/gnutls?distro=rocky-linux-9\u0026epoch=0"
      },
      "ranges": [
        {
          "database_specific": {
            "yum_repository": "BaseOS"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:3.8.10-4.el9_8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "credits": [
    {
      "name": "Rocky Enterprise Software Foundation"
    },
    {
      "name": "Red Hat"
    }
  ],
  "details": "The gnutls packages provide the GNU Transport Layer Security (GnuTLS) library,\nwhich implements cryptographic algorithms and protocols such as SSL, TLS, and\nDTLS.\n\nSecurity Fix(es):\n\n* gnutls: Fix qsort comparator in DTLS reassembly (CVE-2026-42009)\n* gnutls: Fix crashing on an underflow with a DTLS datagram\n(CVE-2026-33845)\n* gnutls: Fix RSA-PSK identity truncation (CVE-2026-42010)\n* gnutls: Fix case-sensitivity of domain name comparison in name\nconstraints (CVE-2026-3833)\n* gnutls: Fix intersecting empty name constraints (CVE-2026-42011)\n* gnutls: Denial of Service via heap buffer overflow in DTLS handshake\nfragment reassembly (CVE-2026-33846)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE page(s)\nlisted in the References section.",
  "id": "RLSA-2026:20612",
  "modified": "2026-06-16T18:05:55.863852Z",
  "published": "2026-06-02T18:03:08.506628Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://errata.rockylinux.org/RLSA-2026:20612"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2445762"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2445763"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2450624"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2450625"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467279"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467289"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467437"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467441"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467448"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467450"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467451"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467678"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467686"
    }
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Important: gnutls security update",
  "upstream": [
    "CVE-2026-33845",
    "CVE-2026-33846",
    "CVE-2026-3832",
    "CVE-2026-3833",
    "CVE-2026-42009",
    "CVE-2026-42010",
    "CVE-2026-42011",
    "CVE-2026-42012",
    "CVE-2026-42013",
    "CVE-2026-42014",
    "CVE-2026-42015",
    "CVE-2026-5260",
    "CVE-2026-5419"
  ]
}

rlsa-2026:20613

Vulnerability from osv_rocky

Published

2026-06-05 12:04

Modified

2026-06-19 12:06

Summary

Important: gnutls security update

Details

The gnutls packages provide the GNU Transport Layer Security (GnuTLS) library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS.

Security Fix(es):

gnutls: Fix qsort comparator in DTLS reassembly (CVE-2026-42009)
gnutls: Fix crashing on an underflow with a DTLS datagram (CVE-2026-33845)
gnutls: Fix RSA-PSK identity truncation (CVE-2026-42010)
gnutls: Fix case-sensitivity of domain name comparison in name constraints (CVE-2026-3833)
gnutls: Fix intersecting empty name constraints (CVE-2026-42011)
gnutls: Denial of Service via heap buffer overflow in DTLS handshake fragment reassembly (CVE-2026-33846)

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.

Severity

8.2 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

Credits

Rocky Enterprise Software Foundation

Red Hat

References

URL

Type

	https://errata.rockylinux.org/RLSA-2026:20613	ADVISORY
	https://bugzilla.redhat.com/show_bug.cgi?id=2467437	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2450624	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2467448	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2467678	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2467686	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2450625	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2467279	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2445763	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2467450	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2445762	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2467451	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2467289	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2467441	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Rocky Linux:10",
        "name": "gnutls",
        "purl": "pkg:rpm/rocky-linux/gnutls?distro=rocky-linux-10\u0026epoch=0"
      },
      "ranges": [
        {
          "database_specific": {
            "yum_repository": "BaseOS"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:3.8.10-4.el10_2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "credits": [
    {
      "name": "Rocky Enterprise Software Foundation"
    },
    {
      "name": "Red Hat"
    }
  ],
  "details": "The gnutls packages provide the GNU Transport Layer Security (GnuTLS) library,\nwhich implements cryptographic algorithms and protocols such as SSL, TLS, and\nDTLS.\n\nSecurity Fix(es):\n\n* gnutls: Fix qsort comparator in DTLS reassembly (CVE-2026-42009)\n* gnutls: Fix crashing on an underflow with a DTLS datagram (CVE-2026-33845)\n* gnutls: Fix RSA-PSK identity truncation (CVE-2026-42010)\n* gnutls: Fix case-sensitivity of domain name comparison in name constraints (CVE-2026-3833)\n* gnutls: Fix intersecting empty name constraints (CVE-2026-42011)\n* gnutls: Denial of Service via heap buffer overflow in DTLS handshake fragment reassembly (CVE-2026-33846)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE page(s)\nlisted in the References section.",
  "id": "RLSA-2026:20613",
  "modified": "2026-06-19T12:06:07.335927Z",
  "published": "2026-06-05T12:04:50.053452Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://errata.rockylinux.org/RLSA-2026:20613"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467437"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2450624"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467448"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467678"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467686"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2450625"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467279"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2445763"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467450"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2445762"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467451"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467289"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467441"
    }
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Important: gnutls security update",
  "upstream": [
    "CVE-2026-33845",
    "CVE-2026-33846",
    "CVE-2026-3832",
    "CVE-2026-3833",
    "CVE-2026-42009",
    "CVE-2026-42010",
    "CVE-2026-42011",
    "CVE-2026-42012",
    "CVE-2026-42013",
    "CVE-2026-42014",
    "CVE-2026-42015",
    "CVE-2026-5260",
    "CVE-2026-5419"
  ]
}

SUSE-SU-2026:2115-1

Vulnerability from csaf_suse - Published: 2026-05-29 15:27 - Updated: 2026-05-29 15:27

Summary

Security update for gnutls

Severity

Important

Scope

12 vulnerabilities in this advisory, including CVE-2026-5419.

CVE-2026-5419

3.7 (Low)


                
                  CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Recommended: 53 products

Open the full advisory

SUSE-SU-2026:21752-1

Vulnerability from csaf_suse - Published: 2026-05-18 10:06 - Updated: 2026-05-18 10:06

Summary

Security update for gnutls

Severity

Important

Scope

13 vulnerabilities in this advisory, including CVE-2026-5419.

CVE-2026-5419

3.7 (Low)


                
                  CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Recommended: 8 products

Open the full advisory

SUSE-SU-2026:21784-1

Vulnerability from csaf_suse - Published: 2026-05-22 09:27 - Updated: 2026-05-22 09:27

Summary

Security update for gnutls

Severity

Important

Scope

12 vulnerabilities in this advisory, including CVE-2026-5419.

CVE-2026-5419

3.7 (Low)


                
                  CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Recommended: 6 products

Open the full advisory

SUSE-SU-2026:21815-1

Vulnerability from csaf_suse - Published: 2026-05-18 10:06 - Updated: 2026-05-18 10:06

Summary

Security update for gnutls

Severity

Important

Scope

13 vulnerabilities in this advisory, including CVE-2026-5419.

CVE-2026-5419

3.7 (Low)


                
                  CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Recommended: 40 products

Open the full advisory

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.

Detection rules are retrieved from Rulezet.

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-5419 (GCVE-0-2026-5419)

Vulnerability from osv_rocky

Vulnerability from osv_rocky

Tags

Sightings

Nomenclature

Related by attack behaviour