{
  "cveId": "CVE-2022-31740",
  "url": "https://patchblox.com/security/cve/CVE-2022-31740",
  "summary": "CVE-2022-31740 is fixed in 14 products on 2 platforms, first by Mozilla Firefox (en-US) 101.0, released May 31, 2022. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Mozilla Thunderbird and 4 others: Improper Restriction of Operations within the Bounds of a Memory Buffer",
  "description": "On arm64, WASM code could have resulted in incorrect assembly generation leading to a register allocation problem, and a potentially exploitable crash. This vulnerability affects Thunderbird \u003C 91.10, Firefox \u003C 101, and Firefox ESR \u003C 91.10.",
  "published": "2022-05-31T17:00:00Z",
  "severity": "Medium",
  "cvss": 9.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "cwe": "CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer",
  "epss": 0.00694,
  "epssPercentile": 0.53187,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2022-31740",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox (en-US)",
      "fixedVersion": "101.0",
      "fix": "Mozilla Firefox (en-US) 101.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox-101.0",
      "released": "2022-05-31T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (en-US)",
      "fixedVersion": "102.0",
      "fix": "Mozilla Firefox ESR (en-US) 102.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr-102.0",
      "released": "2022-06-23T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Thunderbird (en-US)",
      "fixedVersion": "102.0",
      "fix": "Mozilla Thunderbird (en-US) 102.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.thunderbird-102.0",
      "released": "2022-06-29T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "RHEL 8",
      "fixedVersion": "0:91.10.0-1.el8_6",
      "fix": "RHSA-2022:4872",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-4872",
      "released": "2022-06-01T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "RHEL 9",
      "fixedVersion": "0:91.10.0-1.el9_0",
      "fix": "RHSA-2022:4873",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-4873",
      "released": "2022-06-01T00:00:00Z"
    },
    {
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      "fixedVersion": "101.0.1\u002Bbuild1-0ubuntu0.18.04.1",
      "fix": "firefox 101.0.1\u002Bbuild1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-101.0.1-build1-0ubuntu0.18.04.1",
      "released": "2022-05-31T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 20.04 LTS (focal)",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-101.0.1-build1-0ubuntu0.20.04.1",
      "released": "2022-05-31T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "ol 8",
      "fixedVersion": "0:91.10.0-1.0.1.el8_6",
      "fix": "ELSA-2022-4872",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-4872",
      "released": "2022-06-02T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
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      "fixedVersion": "0:91.10.0-1.0.1.el9_0",
      "fix": "ELSA-2022-4873",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-4873",
      "released": "2022-06-30T00:00:00Z"
    },
    {
      "platform": "linux",
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      "release": "rocky 8",
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      "fix": "RLSA-2022:4872",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2022-4872",
      "released": "2022-06-01T20:09:36Z"
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    {
      "platform": "linux",
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      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "91.10.0esr-1",
      "fix": "DEBIAN-CVE-2022-31740",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-31740",
      "released": "2022-12-22T20:15:28Z"
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    {
      "platform": "linux",
      "product": "firefox-esr",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "91.10.0esr-1",
      "fix": "DEBIAN-CVE-2022-31740",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-31740",
      "released": "2022-12-22T20:15:28Z"
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    {
      "platform": "linux",
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      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-31740",
      "released": "2022-12-22T20:15:28Z"
    },
    {
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      "released": "2022-05-31T17:00:00Z"
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-geckodriver-101.0.1-build1-0ubuntu0.20.04.1",
      "released": "2022-05-31T17:00:00Z"
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    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-mozsymbols-101.0.1-build1-0ubuntu0.18.04.1",
      "released": "2022-05-31T17:00:00Z"
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    {
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      "released": "2022-05-31T17:00:00Z"
    },
    {
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      "product": "libmozjs-91-0",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libmozjs-91-0-91.10.0-0ubuntu1",
      "released": "2022-05-31T17:00:00Z"
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    {
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      "released": "2022-06-03T00:00:00Z"
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    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}