{
  "cveId": "CVE-2022-26381",
  "url": "https://patchblox.com/security/cve/CVE-2022-26381",
  "summary": "CVE-2022-26381 is fixed in 13 products on 2 platforms, first by Mozilla Firefox (en-US) 98.0, released March 8, 2022. It is not reported as exploited. Patch Radar priority: Urgent.",
  "title": "Mozilla Thunderbird and 4 others: Use After Free",
  "description": "An attacker could have caused a use-after-free by forcing a text reflow in an SVG object leading to a potentially exploitable crash. This vulnerability affects Firefox \u003C 98, Firefox ESR \u003C 91.7, and Thunderbird \u003C 91.7.",
  "published": "2022-03-08T16:00:00Z",
  "severity": "Critical",
  "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-416: Use After Free",
  "epss": 0.00874,
  "epssPercentile": 0.5917,
  "priority": "Urgent",
  "priorityTier": 2,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2022-26381",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox (en-US)",
      "fixedVersion": "98.0",
      "fix": "Mozilla Firefox (en-US) 98.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox-98.0",
      "released": "2022-03-08T00:00:00Z"
    },
    {
      "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": "91.7.0",
      "fix": "Mozilla Thunderbird (en-US) 91.7.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.thunderbird-91.7.0",
      "released": "2022-03-08T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "RHEL 8",
      "fixedVersion": "0:91.7.0-3.el8_5",
      "fix": "RHSA-2022:0818",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-0818",
      "released": "2022-03-10T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "98.0\u002Bbuild3-0ubuntu0.18.04.2",
      "fix": "firefox 98.0\u002Bbuild3-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-98.0-build3-0ubuntu0.18.04.2",
      "released": "2022-03-08T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "98.0\u002Bbuild3-0ubuntu0.20.04.2",
      "fix": "firefox 98.0\u002Bbuild3-0ubuntu0.20.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-98.0-build3-0ubuntu0.20.04.2",
      "released": "2022-03-08T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:1snap1-0ubuntu1",
      "fix": "firefox 1:1snap1-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-firefox-1-1snap1-0ubuntu1",
      "released": "2022-04-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "almalinux 8",
      "fixedVersion": "91.7.0-3.el8_5.alma",
      "fix": "ALSA-2022:0818",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-0818",
      "released": "2022-03-10T14:36:51Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "ol 8",
      "fixedVersion": "0:91.7.0-3.0.1.el8_5",
      "fix": "ELSA-2022-0818",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-0818",
      "released": "2022-03-10T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "rocky 8",
      "fixedVersion": "0:91.7.0-3.el8_5",
      "fix": "RLSA-2022:0818",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2022-0818",
      "released": "2022-03-10T14:36:51Z"
    },
    {
      "platform": "linux",
      "product": "firefox-esr",
      "release": "Debian 11.6 (bullseye)",
      "fixedVersion": "91.7.0esr-1~deb11u1",
      "fix": "DSA-5097-1",
      "url": "https://patchblox.com/security/fix/linux/dsa-5097-1",
      "released": "2022-03-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-esr",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "91.7.0esr-1",
      "fix": "DEBIAN-CVE-2022-26381",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-26381",
      "released": "2022-12-22T20:15:20Z"
    },
    {
      "platform": "linux",
      "product": "firefox-esr",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "91.7.0esr-1",
      "fix": "DEBIAN-CVE-2022-26381",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-26381",
      "released": "2022-12-22T20:15:20Z"
    },
    {
      "platform": "linux",
      "product": "firefox-esr",
      "release": "Debian 14",
      "fixedVersion": "91.7.0esr-1",
      "fix": "DEBIAN-CVE-2022-26381",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-26381",
      "released": "2022-12-22T20:15:20Z"
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      "platform": "linux",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-geckodriver-98.0-build3-0ubuntu0.18.04.2",
      "released": "2022-03-08T16:00:00Z"
    },
    {
      "platform": "linux",
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      "release": "Ubuntu 20.04 LTS (focal)",
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      "fix": "firefox-geckodriver 98.0\u002Bbuild3-0ubuntu0.20.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-geckodriver-98.0-build3-0ubuntu0.20.04.2",
      "released": "2022-03-08T16:00:00Z"
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    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-mozsymbols-98.0-build3-0ubuntu0.18.04.2",
      "released": "2022-03-08T16:00:00Z"
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    {
      "platform": "linux",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-mozsymbols-98.0-build3-0ubuntu0.20.04.2",
      "released": "2022-03-08T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Debian 11.6 (bullseye)",
      "fixedVersion": "1:91.7.0-2~deb11u1",
      "fix": "DSA-5106-1",
      "url": "https://patchblox.com/security/fix/linux/dsa-5106-1",
      "released": "2022-03-21T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
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      "fix": "DEBIAN-CVE-2022-26381",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-26381",
      "released": "2022-12-22T20:15:20Z"
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    {
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      "fix": "DEBIAN-CVE-2022-26381",
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      "released": "2022-12-22T20:15:20Z"
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      "fix": "DEBIAN-CVE-2022-26381",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-26381",
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    {
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    {
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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"
  }
}