{
  "cveId": "CVE-2026-40468",
  "url": "https://patchblox.com/security/cve/CVE-2026-40468",
  "summary": "CVE-2026-40468 is fixed in 6 products on 1 platform, first by gawk 1:5.3.2-1ubuntu1.1, released July 13, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Heap buffer overflow in gawk",
  "description": "Integer overflow vulnerability has been found in \u0022builtin.c\u0022 program file of gawk. This issue may lead to memory exhaustion on the hosting operating system and could be used to overwrite gawk heap metadata and objects with attacker-controlled bytes. It affects\u00A0gawk in versions 5.4.0 and below.",
  "published": "2026-07-13T06:16:00Z",
  "severity": "Low",
  "cvss": 6.2,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "cwe": "Integer Overflow or Wraparound",
  "epss": 0.00201,
  "epssPercentile": 0.10037,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40468",
  "fixes": [
    {
      "platform": "linux",
      "product": "gawk",
      "release": "RHEL 10",
      "fixedVersion": "5.3.0-6.el10_2.1",
      "fix": "RHSA-2026:73429",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-73429",
      "released": "2026-07-13T12:07:56Z"
    },
    {
      "platform": "linux",
      "product": "gawk",
      "release": "RHEL 8",
      "fixedVersion": "0:4.2.1-5.el8_10",
      "fix": "RHSA-2026:73511",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-73511",
      "released": "2026-10-02T21:05:28Z"
    },
    {
      "platform": "linux",
      "product": "gawk",
      "release": "RHEL 9",
      "fixedVersion": "0:5.1.0-6.el9_8.1",
      "fix": "RHSA-2026:73512",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-73512",
      "released": "2026-09-30T20:41:18Z"
    },
    {
      "platform": "linux",
      "product": "gawk",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:4.1.4\u002Bdfsg-1ubuntu0.1~esm2",
      "fix": "gawk 1:4.1.4\u002Bdfsg-1ubuntu0.1~esm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-gawk-1-4.1.4-dfsg-1ubuntu0.1-esm2",
      "released": "2026-07-24T13:34:46Z"
    },
    {
      "platform": "linux",
      "product": "gawk",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:5.0.1\u002Bdfsg-1ubuntu0.1\u002Besm1",
      "fix": "gawk 1:5.0.1\u002Bdfsg-1ubuntu0.1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-gawk-1-5.0.1-dfsg-1ubuntu0.1-esm1",
      "released": "2026-07-24T13:34:49Z"
    },
    {
      "platform": "linux",
      "product": "gawk",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:5.1.0-1ubuntu0.2",
      "fix": "gawk 1:5.1.0-1ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-gawk-1-5.1.0-1ubuntu0.2",
      "released": "2026-07-24T13:34:54Z"
    },
    {
      "platform": "linux",
      "product": "gawk",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1:5.2.1-2ubuntu0.1",
      "fix": "gawk 1:5.2.1-2ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-gawk-1-5.2.1-2ubuntu0.1",
      "released": "2026-07-24T13:34:54Z"
    },
    {
      "platform": "linux",
      "product": "gawk",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1:5.3.2-1ubuntu1.1",
      "fix": "gawk 1:5.3.2-1ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-gawk-1-5.3.2-1ubuntu1.1",
      "released": "2026-07-13T06:16:00Z"
    },
    {
      "platform": "linux",
      "product": "gawk",
      "release": "almalinux 10",
      "fixedVersion": "5.3.0-6.el10_2.1",
      "fix": "ALSA-2026:73429",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-73429",
      "released": "2026-09-29T00:00:00Z"
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      "fixedVersion": "4.2.1-5.el8_10",
      "fix": "ALSA-2026:73511",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-73511",
      "released": "2026-09-29T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gawk",
      "release": "almalinux 9",
      "fixedVersion": "5.1.0-6.el9_8.1",
      "fix": "ALSA-2026:73512",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-73512",
      "released": "2026-09-29T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gawk",
      "release": "amzn 2023",
      "fixedVersion": "5.1.0-3.amzn2023.0.4",
      "fix": "ALAS2023-2026-2035",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2035",
      "released": "2026-08-03T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gawk",
      "release": "ol 10",
      "fixedVersion": "0:5.3.0-6.el10_2.1",
      "fix": "ELSA-2026-73429",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-73429",
      "released": "2026-09-30T00:00:00Z"
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    {
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      "product": "gawk",
      "release": "ol 8",
      "fixedVersion": "0:4.2.1-5.el8_10",
      "fix": "ELSA-2026-73511",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-73511",
      "released": "2026-09-30T00:00:00Z"
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    {
      "platform": "linux",
      "product": "gawk",
      "release": "ol 9",
      "fixedVersion": "0:5.1.0-6.el9_8.1",
      "fix": "ELSA-2026-73512",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-73512",
      "released": "2026-09-30T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gawk",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "5.3.2-160000.3.1",
      "fix": "OPENSUSE-SU-2026:21393-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21393-1",
      "released": "2026-07-20T13:44:04Z"
    },
    {
      "platform": "linux",
      "product": "gawk",
      "release": "rocky 10",
      "fixedVersion": "0:5.3.0-6.el10_2.1",
      "fix": "RLSA-2026:73429",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-73429",
      "released": "2026-09-30T12:10:38Z"
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      "platform": "linux",
      "product": "gawk",
      "release": "rocky 8",
      "fixedVersion": "0:4.2.1-5.el8_10",
      "fix": "RLSA-2026:73511",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-73511",
      "released": "2026-10-02T12:00:58Z"
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    {
      "platform": "linux",
      "product": "gawk",
      "release": "rocky 9",
      "fixedVersion": "0:5.1.0-6.el9_8.1",
      "fix": "RLSA-2026:73512",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-73512",
      "released": "2026-09-30T12:05:19Z"
    },
    {
      "platform": "linux",
      "product": "gawk",
      "release": "sles 15.7",
      "fixedVersion": "4.2.1-150000.3.6.1",
      "fix": "SUSE-SU-2026:3455-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-3455-1",
      "released": "2026-08-03T11:47:00Z"
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    {
      "platform": "linux",
      "product": "gawk",
      "release": "sles 16.0",
      "fixedVersion": "5.3.2-160000.3.1",
      "fix": "SUSE-SU-2026:22831-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22831-1",
      "released": "2026-07-20T13:43:46Z"
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    {
      "platform": "linux",
      "product": "gawk-all-langpacks",
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      "fix": "RHSA-2026:73512",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-73512",
      "released": "2026-09-30T20:41:18Z"
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    {
      "platform": "linux",
      "product": "gawk-all-langpacks",
      "release": "almalinux 10",
      "fixedVersion": "5.3.0-6.el10_2.1",
      "fix": "ALSA-2026:73429",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-73429",
      "released": "2026-09-29T00:00:00Z"
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      "platform": "linux",
      "product": "gawk-all-langpacks",
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      "fix": "ALSA-2026:73512",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-73512",
      "released": "2026-09-29T00:00:00Z"
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      "product": "gawk-all-langpacks",
      "release": "amzn 2023",
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      "fix": "ALAS2023-2026-2035",
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      "fix": "ELSA-2026-73429",
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      "fix": "ELSA-2026-73512",
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      "released": "2026-09-30T00:00:00Z"
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      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2035",
      "released": "2026-08-03T09:00:00Z"
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      "released": "2026-08-03T09:00:00Z"
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      "released": "2026-08-03T09:00:00Z"
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      "released": "2026-08-03T09:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T06:34:28Z"
}