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RHSA-2026:33120

Vulnerability from csaf_redhat - Published: 2026-06-29 14:23 - Updated: 2026-09-14 23:46
Summary
Red Hat Security Advisory: Red Hat OpenShift Service Mesh 3.0.13
Severity
Important
Notes
Topic: Red Hat OpenShift Service Mesh 3.0.13 This update has 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 Service Mesh 3.0.13, which is based on the open source Istio project, addresses a variety of problems in a microservice architecture by creating a centralized point of control in an application. Security Fix(es): * CVE-2026-39820 openshift-golang-builder-container: Go net/mail: Denial of Service via crafted email inputs (OSSM-14269) * CVE-2026-42499 openshift-golang-builder-container: net/mail: Denial of Service via pathological email address parsing (OSSM-14500) * CVE-2026-33814 openshift-golang-builder-container: Go HTTP/2: Denial of Service via malformed SETTINGS_MAX_FRAME_SIZE frame (OSSM-14548) * CVE-2026-33811 openshift-golang-builder-container: Go net package: Denial of Service via long CNAME response in LookupCNAME (OSSM-14564)
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.
CVE-2026-33811

A flaw was found in the `net` package of Go (golang), specifically when using the `LookupCNAME` function with the `cgo` DNS resolver. A remote attacker could exploit this by providing a very long Canonical Name (CNAME) response. This can trigger a double-free of C memory, leading to a crash and a Denial of Service (DoS) for the affected application.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-1341 - Multiple Releases of Same Resource or Handle
Affected products
Product Identifier Version Remediation
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:42493d19383ead956b26476cc20dfa6c328bbdb5a4f40ba5be32f8f87ede33d4_s390x —
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:4d80beaa628f568236255e1970ffcfff668ee23faf97f532e881b0025f98111d_ppc64le —
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:b994454b076fda08a36d4d949545d6d80229c9345a00f59d04ccbab41ef54066_arm64 —
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:bb734ae567ad77fd92f44c3d226055055a8c990b8123db23386149f418e68f04_amd64 —
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:30e125ba97b545946ce958d62acfa95a095baecae5dfa80a44617a44e22633e8_ppc64le —
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:a1c134048c73b0ba902974f0515938902de93b0c3b32f0cc91fb8a6f45706629_arm64 —
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:bdf16979b6650d9016b07c0dfab4b75e727234755a7c0d9beb1230c98d313dff_s390x —
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:f473fa7b227648c66af6f54c728d8b42af3ceb1dcfca21c295f2e2af36dd31b7_amd64 —
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:138e739ebd61c7b1b47f0056d7b9a889a6368529e7fca3cb755c7b40be65df2c_ppc64le —
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:5d92ddc988d165e8e2b66e017a8cbd1ac1ee7fc91caaacec62bfcedce1c3f2b3_arm64 —
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:919e44a19dafe3670f6431be3aa01bf7bfebfdeacac5c3882cd9c8e2e4905516_amd64 —
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e24864eb5b3285151c6a59f9f35a097467458ff21f0831be5178d3f74910b822_s390x —
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:38ca5e774bac8287a27dc4af5b4f015fa1a3e2bcc1618c97e642a5ff4ab66982_ppc64le —
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:6d607b4aac9562b1401b33c9dc4d496ec13c75d765bf426e11bcf4fa5769a056_amd64 —
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:70dc18e5444c2ebc7c0b77740d0083de9d4e139f45e59292ae1edd48a518d8af_s390x —
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:e1644b7694bf252a2e220773f811e5ae7f83c2c0c1885ff7c3a2f471cab33ed1_arm64 —
Vendor Fix fix
Workaround
Product Identifier Version Remediation
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:5fdcc9c7b6ff9b4b099713c4d549128c12b335fb0c28154f631ba3e9f99c8f52_amd64 —
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:c1e04b361c355bb1d5f44a57dc041158eef59eb83f831a4d6413b00298af79d2_s390x —
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:c77f3dcf9aef74e532505742c538ae46e3eb569cd72398736d476dba197aa1ed_ppc64le —
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:ec5f07a3b10e44e9300eb7d62cfc0d1d31833ab72c12f5815ff0542b81624b7c_arm64 —
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:0dbe0cdb02314a8a78dca02557441f9b99ab3bcd93157c17dbbb81f5cbc8eb81_amd64 —
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:a6f4f1a5fa8fa84fd7850e17dfbe1837ea35fe636385f3dfcd63a3ecb975b410_ppc64le —
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:e71fa71c7203561946e9f0038eaad69957c9717b34abc60fcd4044e1f64417b3_arm64 —
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:ee26949de4dce15bc35847d8f361c507fb852d9f006eaabd07a344f3c56856f9_s390x —
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:19ead4f64970ea27823756dd4e0e55215c8787c4d5d923cde8e4c8345dc013c5_amd64 —
Workaround
Threats
Impact Important
CVE-2026-33814

A flaw was found in the HTTP/2 protocol implementation within the Go standard library (golang.org/x/net and net/http/internal/http2). A remote attacker can exploit this vulnerability by sending a specially crafted HTTP/2 SETTINGS frame with the SETTINGS_MAX_FRAME_SIZE parameter set to zero. This malicious frame causes the transport layer to enter an infinite loop of writing CONTINUATION frames, leading to resource exhaustion and a Denial of Service (DoS) condition.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-606 - Unchecked Input for Loop Condition
Affected products
Fixed 16 products, the same list as for CVE-2026-33811
Known not affected 9 products, the same list as for CVE-2026-33811
Threats
Impact Important
CVE-2026-39820

A flaw was found in the `net/mail` package of the Go programming language. An attacker could provide specially crafted inputs to the `ParseAddress`, `ParseAddressList`, or `ParseDate` functions. This could lead to excessive consumption of CPU and memory resources, resulting in a Denial of Service (DoS) for applications processing these inputs.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-606 - Unchecked Input for Loop Condition
Affected products
Fixed 16 products, the same list as for CVE-2026-33811
Known not affected 9 products, the same list as for CVE-2026-33811
Threats
Impact Important
CVE-2026-42499

A flaw was found in the `net/mail` package within the Go standard library. A remote attacker could provide specially crafted, pathological email addresses. When these malformed email addresses are parsed by the `consumePhrase` function, it can lead to excessive resource consumption due to quadratic string concatenation, resulting in a Denial of Service (DoS) condition.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-1046 - Creation of Immutable Text Using String Concatenation
Affected products
Fixed 16 products, the same list as for CVE-2026-33811
Known not affected 9 products, the same list as for CVE-2026-33811
Threats
Impact Important
References
URL Category
https://access.redhat.com/errata/RHSA-2026:33120 self
https://access.redhat.com/security/cve/CVE-2026-33811 external
https://access.redhat.com/security/cve/CVE-2026-33814 external
https://access.redhat.com/security/cve/CVE-2026-39820 external
https://access.redhat.com/security/cve/CVE-2026-42499 external
https://access.redhat.com/security/updates/classi… external
https://security.access.redhat.com/data/csaf/v2/a… self
https://access.redhat.com/security/cve/CVE-2026-33811 self
https://bugzilla.redhat.com/show_bug.cgi?id=2467822 external
https://www.cve.org/CVERecord?id=CVE-2026-33811 external
https://nvd.nist.gov/vuln/detail/CVE-2026-33811 external
https://go.dev/cl/767860 external
https://go.dev/issue/78803 external
https://groups.google.com/g/golang-announce/c/qcC… external
https://pkg.go.dev/vuln/GO-2026-4981 external
https://access.redhat.com/security/cve/CVE-2026-33814 self
https://bugzilla.redhat.com/show_bug.cgi?id=2467815 external
https://www.cve.org/CVERecord?id=CVE-2026-33814 external
https://nvd.nist.gov/vuln/detail/CVE-2026-33814 external
https://go.dev/cl/761581 external
https://go.dev/cl/761640 external
https://go.dev/issue/78476 external
https://pkg.go.dev/vuln/GO-2026-4918 external
https://access.redhat.com/security/cve/CVE-2026-39820 self
https://bugzilla.redhat.com/show_bug.cgi?id=2467820 external
https://www.cve.org/CVERecord?id=CVE-2026-39820 external
https://nvd.nist.gov/vuln/detail/CVE-2026-39820 external
https://go.dev/cl/759940 external
https://go.dev/issue/78566 external
https://pkg.go.dev/vuln/GO-2026-4986 external
https://access.redhat.com/security/cve/CVE-2026-42499 self
https://bugzilla.redhat.com/show_bug.cgi?id=2467809 external
https://www.cve.org/CVERecord?id=CVE-2026-42499 external
https://nvd.nist.gov/vuln/detail/CVE-2026-42499 external
https://go.dev/cl/771520 external
https://go.dev/issue/78987 external
https://pkg.go.dev/vuln/GO-2026-4977 external
To clipboard 

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        "relates_to_product_reference": "Red Hat OpenShift Service Mesh 3.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:19ead4f64970ea27823756dd4e0e55215c8787c4d5d923cde8e4c8345dc013c5_amd64 as a component of Red Hat OpenShift Service Mesh 3.0",
          "product_id": "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:19ead4f64970ea27823756dd4e0e55215c8787c4d5d923cde8e4c8345dc013c5_amd64"
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        "relates_to_product_reference": "Red Hat OpenShift Service Mesh 3.0"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-33811",
      "cwe": {
        "id": "CWE-1341",
        "name": "Multiple Releases of Same Resource or Handle"
      },
      "discovery_date": "2026-05-07T20:01:34.913869+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:5fdcc9c7b6ff9b4b099713c4d549128c12b335fb0c28154f631ba3e9f99c8f52_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:c1e04b361c355bb1d5f44a57dc041158eef59eb83f831a4d6413b00298af79d2_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:c77f3dcf9aef74e532505742c538ae46e3eb569cd72398736d476dba197aa1ed_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:ec5f07a3b10e44e9300eb7d62cfc0d1d31833ab72c12f5815ff0542b81624b7c_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:0dbe0cdb02314a8a78dca02557441f9b99ab3bcd93157c17dbbb81f5cbc8eb81_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:a6f4f1a5fa8fa84fd7850e17dfbe1837ea35fe636385f3dfcd63a3ecb975b410_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:e71fa71c7203561946e9f0038eaad69957c9717b34abc60fcd4044e1f64417b3_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:ee26949de4dce15bc35847d8f361c507fb852d9f006eaabd07a344f3c56856f9_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:19ead4f64970ea27823756dd4e0e55215c8787c4d5d923cde8e4c8345dc013c5_amd64"
          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2467822"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the `net` package of Go (golang), specifically when using the `LookupCNAME` function with the `cgo` DNS resolver. A remote attacker could exploit this by providing a very long Canonical Name (CNAME) response. This can trigger a double-free of C memory, leading to a crash and a Denial of Service (DoS) for the affected application.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important denial of service vulnerability in the Go `net` package, affecting applications configured to use the `cgo` DNS resolver. A remote attacker could trigger a double-free memory error by providing a very long CNAME response, leading to a crash of the vulnerable application and impacting service availability.",
          "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": {
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          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:f473fa7b227648c66af6f54c728d8b42af3ceb1dcfca21c295f2e2af36dd31b7_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:138e739ebd61c7b1b47f0056d7b9a889a6368529e7fca3cb755c7b40be65df2c_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:5d92ddc988d165e8e2b66e017a8cbd1ac1ee7fc91caaacec62bfcedce1c3f2b3_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:919e44a19dafe3670f6431be3aa01bf7bfebfdeacac5c3882cd9c8e2e4905516_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e24864eb5b3285151c6a59f9f35a097467458ff21f0831be5178d3f74910b822_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:38ca5e774bac8287a27dc4af5b4f015fa1a3e2bcc1618c97e642a5ff4ab66982_ppc64le",
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          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:70dc18e5444c2ebc7c0b77740d0083de9d4e139f45e59292ae1edd48a518d8af_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:e1644b7694bf252a2e220773f811e5ae7f83c2c0c1885ff7c3a2f471cab33ed1_arm64"
        ],
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          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:c1e04b361c355bb1d5f44a57dc041158eef59eb83f831a4d6413b00298af79d2_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:c77f3dcf9aef74e532505742c538ae46e3eb569cd72398736d476dba197aa1ed_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:ec5f07a3b10e44e9300eb7d62cfc0d1d31833ab72c12f5815ff0542b81624b7c_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:0dbe0cdb02314a8a78dca02557441f9b99ab3bcd93157c17dbbb81f5cbc8eb81_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:a6f4f1a5fa8fa84fd7850e17dfbe1837ea35fe636385f3dfcd63a3ecb975b410_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:e71fa71c7203561946e9f0038eaad69957c9717b34abc60fcd4044e1f64417b3_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:ee26949de4dce15bc35847d8f361c507fb852d9f006eaabd07a344f3c56856f9_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:19ead4f64970ea27823756dd4e0e55215c8787c4d5d923cde8e4c8345dc013c5_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-33811"
        },
        {
          "category": "external",
          "summary": "RHBZ#2467822",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467822"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-33811",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-33811"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-33811",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33811"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/767860",
          "url": "https://go.dev/cl/767860"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/78803",
          "url": "https://go.dev/issue/78803"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/qcCIEXso47M",
          "url": "https://groups.google.com/g/golang-announce/c/qcCIEXso47M"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-4981",
          "url": "https://pkg.go.dev/vuln/GO-2026-4981"
        }
      ],
      "release_date": "2026-05-07T19:41:19.285000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-06-29T14:23:25+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.0.13 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0",
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:bb734ae567ad77fd92f44c3d226055055a8c990b8123db23386149f418e68f04_amd64",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:33120"
        },
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          "category": "workaround",
          "details": "To mitigate this issue, applications can be configured to use the pure Go DNS resolver instead of the `cgo` DNS resolver. This can be achieved by setting the `GODEBUG` environment variable to `netdns=go`. For example, to run a Go application with this mitigation: `GODEBUG=netdns=go /path/to/your/go/application`. This change may require restarting affected applications or services to take effect. Users should verify that this change does not negatively impact DNS resolution for their specific application environment.",
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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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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME"
    },
    {
      "cve": "CVE-2026-33814",
      "cwe": {
        "id": "CWE-606",
        "name": "Unchecked Input for Loop Condition"
      },
      "discovery_date": "2026-05-07T20:01:11.324941+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
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          ]
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      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2467815"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the HTTP/2 protocol implementation within the Go standard library (golang.org/x/net and net/http/internal/http2). A remote attacker can exploit this vulnerability by sending a specially crafted HTTP/2 SETTINGS frame with the SETTINGS_MAX_FRAME_SIZE parameter set to zero. This malicious frame causes the transport layer to enter an infinite loop of writing CONTINUATION frames, leading to resource exhaustion and a Denial of Service (DoS) condition.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "net/http/internal/http2: golang: golang.org/x/net: Go HTTP/2: Denial of Service via malformed SETTINGS_MAX_FRAME_SIZE frame",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This Important denial of service flaw in the Go HTTP/2 protocol implementation allows a remote, unauthenticated attacker to exhaust system resources. By sending a specially crafted HTTP/2 SETTINGS frame with a zero-value SETTINGS_MAX_FRAME_SIZE, the vulnerable Go library enters an infinite loop, impacting the availability of services utilizing HTTP/2.",
          "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": {
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-33814"
        },
        {
          "category": "external",
          "summary": "RHBZ#2467815",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467815"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-33814",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-33814"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-33814",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33814"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/761581",
          "url": "https://go.dev/cl/761581"
        },
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          "category": "external",
          "summary": "https://go.dev/cl/761640",
          "url": "https://go.dev/cl/761640"
        },
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          "category": "external",
          "summary": "https://go.dev/issue/78476",
          "url": "https://go.dev/issue/78476"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/qcCIEXso47M",
          "url": "https://groups.google.com/g/golang-announce/c/qcCIEXso47M"
        },
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          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-4918",
          "url": "https://pkg.go.dev/vuln/GO-2026-4918"
        }
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      "release_date": "2026-05-07T19:41:17.631000+00:00",
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          "category": "vendor_fix",
          "date": "2026-06-29T14:23:25+00:00",
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            "category": "none"
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            "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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        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "net/http/internal/http2: golang: golang.org/x/net: Go HTTP/2: Denial of Service via malformed SETTINGS_MAX_FRAME_SIZE frame"
    },
    {
      "cve": "CVE-2026-39820",
      "cwe": {
        "id": "CWE-606",
        "name": "Unchecked Input for Loop Condition"
      },
      "discovery_date": "2026-05-07T20:01:27.800929+00:00",
      "flags": [
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      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2467820"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the `net/mail` package of the Go programming language. An attacker could provide specially crafted inputs to the `ParseAddress`, `ParseAddressList`, or `ParseDate` functions. This could lead to excessive consumption of CPU and memory resources, resulting in a Denial of Service (DoS) for applications processing these inputs.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "net/mail: golang: Go net/mail: Denial of Service via crafted email inputs",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important denial of service vulnerability in the Go `net/mail` package. Applications processing untrusted email inputs via `ParseAddress`, `ParseAddressList`, or `ParseDate` functions are susceptible to excessive resource consumption, which can lead to service unavailability.",
          "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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          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:5fdcc9c7b6ff9b4b099713c4d549128c12b335fb0c28154f631ba3e9f99c8f52_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:c1e04b361c355bb1d5f44a57dc041158eef59eb83f831a4d6413b00298af79d2_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:c77f3dcf9aef74e532505742c538ae46e3eb569cd72398736d476dba197aa1ed_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:ec5f07a3b10e44e9300eb7d62cfc0d1d31833ab72c12f5815ff0542b81624b7c_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:0dbe0cdb02314a8a78dca02557441f9b99ab3bcd93157c17dbbb81f5cbc8eb81_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:a6f4f1a5fa8fa84fd7850e17dfbe1837ea35fe636385f3dfcd63a3ecb975b410_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:e71fa71c7203561946e9f0038eaad69957c9717b34abc60fcd4044e1f64417b3_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:ee26949de4dce15bc35847d8f361c507fb852d9f006eaabd07a344f3c56856f9_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:19ead4f64970ea27823756dd4e0e55215c8787c4d5d923cde8e4c8345dc013c5_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-39820"
        },
        {
          "category": "external",
          "summary": "RHBZ#2467820",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467820"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-39820",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-39820"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-39820",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39820"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/759940",
          "url": "https://go.dev/cl/759940"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/78566",
          "url": "https://go.dev/issue/78566"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/qcCIEXso47M",
          "url": "https://groups.google.com/g/golang-announce/c/qcCIEXso47M"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-4986",
          "url": "https://pkg.go.dev/vuln/GO-2026-4986"
        }
      ],
      "release_date": "2026-05-07T19:41:19.854000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-06-29T14:23:25+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.0.13 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0",
          "product_ids": [
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:42493d19383ead956b26476cc20dfa6c328bbdb5a4f40ba5be32f8f87ede33d4_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:4d80beaa628f568236255e1970ffcfff668ee23faf97f532e881b0025f98111d_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:b994454b076fda08a36d4d949545d6d80229c9345a00f59d04ccbab41ef54066_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:bb734ae567ad77fd92f44c3d226055055a8c990b8123db23386149f418e68f04_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:30e125ba97b545946ce958d62acfa95a095baecae5dfa80a44617a44e22633e8_ppc64le",
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:919e44a19dafe3670f6431be3aa01bf7bfebfdeacac5c3882cd9c8e2e4905516_amd64",
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:38ca5e774bac8287a27dc4af5b4f015fa1a3e2bcc1618c97e642a5ff4ab66982_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:6d607b4aac9562b1401b33c9dc4d496ec13c75d765bf426e11bcf4fa5769a056_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:70dc18e5444c2ebc7c0b77740d0083de9d4e139f45e59292ae1edd48a518d8af_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:e1644b7694bf252a2e220773f811e5ae7f83c2c0c1885ff7c3a2f471cab33ed1_arm64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:33120"
        },
        {
          "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": [
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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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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "net/mail: golang: Go net/mail: Denial of Service via crafted email inputs"
    },
    {
      "cve": "CVE-2026-42499",
      "cwe": {
        "id": "CWE-1046",
        "name": "Creation of Immutable Text Using String Concatenation"
      },
      "discovery_date": "2026-05-07T20:00:51.685602+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:0dbe0cdb02314a8a78dca02557441f9b99ab3bcd93157c17dbbb81f5cbc8eb81_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:a6f4f1a5fa8fa84fd7850e17dfbe1837ea35fe636385f3dfcd63a3ecb975b410_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:e71fa71c7203561946e9f0038eaad69957c9717b34abc60fcd4044e1f64417b3_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:ee26949de4dce15bc35847d8f361c507fb852d9f006eaabd07a344f3c56856f9_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:19ead4f64970ea27823756dd4e0e55215c8787c4d5d923cde8e4c8345dc013c5_amd64"
          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2467809"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the `net/mail` package within the Go standard library. A remote attacker could provide specially crafted, pathological email addresses. When these malformed email addresses are parsed by the `consumePhrase` function, it can lead to excessive resource consumption due to quadratic string concatenation, resulting in a Denial of Service (DoS) condition.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "net/mail: golang: net/mail: Denial of Service via pathological email address parsing",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important denial of service vulnerability in the `net/mail` package of the Go standard library. A remote attacker can exploit this flaw by sending specially crafted email addresses, leading to excessive resource consumption and a denial of service in Go applications that parse email addresses using the affected library.",
          "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": [
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:42493d19383ead956b26476cc20dfa6c328bbdb5a4f40ba5be32f8f87ede33d4_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:4d80beaa628f568236255e1970ffcfff668ee23faf97f532e881b0025f98111d_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:b994454b076fda08a36d4d949545d6d80229c9345a00f59d04ccbab41ef54066_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:bb734ae567ad77fd92f44c3d226055055a8c990b8123db23386149f418e68f04_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:30e125ba97b545946ce958d62acfa95a095baecae5dfa80a44617a44e22633e8_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:a1c134048c73b0ba902974f0515938902de93b0c3b32f0cc91fb8a6f45706629_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:bdf16979b6650d9016b07c0dfab4b75e727234755a7c0d9beb1230c98d313dff_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:f473fa7b227648c66af6f54c728d8b42af3ceb1dcfca21c295f2e2af36dd31b7_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:138e739ebd61c7b1b47f0056d7b9a889a6368529e7fca3cb755c7b40be65df2c_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:5d92ddc988d165e8e2b66e017a8cbd1ac1ee7fc91caaacec62bfcedce1c3f2b3_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:919e44a19dafe3670f6431be3aa01bf7bfebfdeacac5c3882cd9c8e2e4905516_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e24864eb5b3285151c6a59f9f35a097467458ff21f0831be5178d3f74910b822_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:38ca5e774bac8287a27dc4af5b4f015fa1a3e2bcc1618c97e642a5ff4ab66982_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:6d607b4aac9562b1401b33c9dc4d496ec13c75d765bf426e11bcf4fa5769a056_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:70dc18e5444c2ebc7c0b77740d0083de9d4e139f45e59292ae1edd48a518d8af_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:e1644b7694bf252a2e220773f811e5ae7f83c2c0c1885ff7c3a2f471cab33ed1_arm64"
        ],
        "known_not_affected": [
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:5fdcc9c7b6ff9b4b099713c4d549128c12b335fb0c28154f631ba3e9f99c8f52_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:c1e04b361c355bb1d5f44a57dc041158eef59eb83f831a4d6413b00298af79d2_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:c77f3dcf9aef74e532505742c538ae46e3eb569cd72398736d476dba197aa1ed_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:ec5f07a3b10e44e9300eb7d62cfc0d1d31833ab72c12f5815ff0542b81624b7c_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:0dbe0cdb02314a8a78dca02557441f9b99ab3bcd93157c17dbbb81f5cbc8eb81_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:a6f4f1a5fa8fa84fd7850e17dfbe1837ea35fe636385f3dfcd63a3ecb975b410_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:e71fa71c7203561946e9f0038eaad69957c9717b34abc60fcd4044e1f64417b3_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:ee26949de4dce15bc35847d8f361c507fb852d9f006eaabd07a344f3c56856f9_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:19ead4f64970ea27823756dd4e0e55215c8787c4d5d923cde8e4c8345dc013c5_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-42499"
        },
        {
          "category": "external",
          "summary": "RHBZ#2467809",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467809"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-42499",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-42499"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-42499",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42499"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/771520",
          "url": "https://go.dev/cl/771520"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/78987",
          "url": "https://go.dev/issue/78987"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/qcCIEXso47M",
          "url": "https://groups.google.com/g/golang-announce/c/qcCIEXso47M"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-4977",
          "url": "https://pkg.go.dev/vuln/GO-2026-4977"
        }
      ],
      "release_date": "2026-05-07T19:41:18.615000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-06-29T14:23:25+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.0.13 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0",
          "product_ids": [
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:42493d19383ead956b26476cc20dfa6c328bbdb5a4f40ba5be32f8f87ede33d4_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:4d80beaa628f568236255e1970ffcfff668ee23faf97f532e881b0025f98111d_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:b994454b076fda08a36d4d949545d6d80229c9345a00f59d04ccbab41ef54066_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:bb734ae567ad77fd92f44c3d226055055a8c990b8123db23386149f418e68f04_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:30e125ba97b545946ce958d62acfa95a095baecae5dfa80a44617a44e22633e8_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:a1c134048c73b0ba902974f0515938902de93b0c3b32f0cc91fb8a6f45706629_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:bdf16979b6650d9016b07c0dfab4b75e727234755a7c0d9beb1230c98d313dff_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:f473fa7b227648c66af6f54c728d8b42af3ceb1dcfca21c295f2e2af36dd31b7_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:138e739ebd61c7b1b47f0056d7b9a889a6368529e7fca3cb755c7b40be65df2c_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:5d92ddc988d165e8e2b66e017a8cbd1ac1ee7fc91caaacec62bfcedce1c3f2b3_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:919e44a19dafe3670f6431be3aa01bf7bfebfdeacac5c3882cd9c8e2e4905516_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e24864eb5b3285151c6a59f9f35a097467458ff21f0831be5178d3f74910b822_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:38ca5e774bac8287a27dc4af5b4f015fa1a3e2bcc1618c97e642a5ff4ab66982_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:6d607b4aac9562b1401b33c9dc4d496ec13c75d765bf426e11bcf4fa5769a056_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:70dc18e5444c2ebc7c0b77740d0083de9d4e139f45e59292ae1edd48a518d8af_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:e1644b7694bf252a2e220773f811e5ae7f83c2c0c1885ff7c3a2f471cab33ed1_arm64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:33120"
        },
        {
          "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": [
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:42493d19383ead956b26476cc20dfa6c328bbdb5a4f40ba5be32f8f87ede33d4_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:4d80beaa628f568236255e1970ffcfff668ee23faf97f532e881b0025f98111d_ppc64le",
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:138e739ebd61c7b1b47f0056d7b9a889a6368529e7fca3cb755c7b40be65df2c_ppc64le",
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:70dc18e5444c2ebc7c0b77740d0083de9d4e139f45e59292ae1edd48a518d8af_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:e1644b7694bf252a2e220773f811e5ae7f83c2c0c1885ff7c3a2f471cab33ed1_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:19ead4f64970ea27823756dd4e0e55215c8787c4d5d923cde8e4c8345dc013c5_amd64"
          ]
        }
      ],
      "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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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:c77f3dcf9aef74e532505742c538ae46e3eb569cd72398736d476dba197aa1ed_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:ec5f07a3b10e44e9300eb7d62cfc0d1d31833ab72c12f5815ff0542b81624b7c_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:42493d19383ead956b26476cc20dfa6c328bbdb5a4f40ba5be32f8f87ede33d4_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:4d80beaa628f568236255e1970ffcfff668ee23faf97f532e881b0025f98111d_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:b994454b076fda08a36d4d949545d6d80229c9345a00f59d04ccbab41ef54066_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:bb734ae567ad77fd92f44c3d226055055a8c990b8123db23386149f418e68f04_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:0dbe0cdb02314a8a78dca02557441f9b99ab3bcd93157c17dbbb81f5cbc8eb81_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:a6f4f1a5fa8fa84fd7850e17dfbe1837ea35fe636385f3dfcd63a3ecb975b410_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:e71fa71c7203561946e9f0038eaad69957c9717b34abc60fcd4044e1f64417b3_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:ee26949de4dce15bc35847d8f361c507fb852d9f006eaabd07a344f3c56856f9_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:30e125ba97b545946ce958d62acfa95a095baecae5dfa80a44617a44e22633e8_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:a1c134048c73b0ba902974f0515938902de93b0c3b32f0cc91fb8a6f45706629_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:bdf16979b6650d9016b07c0dfab4b75e727234755a7c0d9beb1230c98d313dff_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:f473fa7b227648c66af6f54c728d8b42af3ceb1dcfca21c295f2e2af36dd31b7_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:138e739ebd61c7b1b47f0056d7b9a889a6368529e7fca3cb755c7b40be65df2c_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:5d92ddc988d165e8e2b66e017a8cbd1ac1ee7fc91caaacec62bfcedce1c3f2b3_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:919e44a19dafe3670f6431be3aa01bf7bfebfdeacac5c3882cd9c8e2e4905516_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e24864eb5b3285151c6a59f9f35a097467458ff21f0831be5178d3f74910b822_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:38ca5e774bac8287a27dc4af5b4f015fa1a3e2bcc1618c97e642a5ff4ab66982_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:6d607b4aac9562b1401b33c9dc4d496ec13c75d765bf426e11bcf4fa5769a056_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:70dc18e5444c2ebc7c0b77740d0083de9d4e139f45e59292ae1edd48a518d8af_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:e1644b7694bf252a2e220773f811e5ae7f83c2c0c1885ff7c3a2f471cab33ed1_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:19ead4f64970ea27823756dd4e0e55215c8787c4d5d923cde8e4c8345dc013c5_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "net/mail: golang: net/mail: Denial of Service via pathological email address parsing"
    }
  ]
}



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Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.