{
  "cveId": "CVE-2022-26486",
  "url": "https://patchblox.com/security/cve/CVE-2022-26486",
  "summary": "CVE-2022-26486 is fixed in 8 products on 2 platforms, first by Mozilla Firefox (en-US) 97.0.2, released March 5, 2022. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on March 7, 2022. Patch Radar priority: Patch now.",
  "title": "Mozilla Firefox Use-After-Free Vulnerability",
  "description": "An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox \u003C 97.0.2, Firefox ESR \u003C 91.6.1, Firefox for Android \u003C 97.3.0, Thunderbird \u003C 91.6.2, and Focus \u003C 97.3.0.",
  "published": "2022-03-05T16:00:00Z",
  "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": 0.02362,
  "epssPercentile": 0.83881,
  "priority": "Patch now",
  "priorityTier": 1,
  "exploited": true,
  "vendorExploited": true,
  "disclosed": false,
  "kev": {
    "added": "2022-03-07T00:00:00Z",
    "due": "2022-03-21T00:00:00Z",
    "ransomware": false,
    "requiredAction": "Apply updates per vendor instructions."
  },
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2022-26486",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox (en-US)",
      "fixedVersion": "97.0.2",
      "fix": "Mozilla Firefox (en-US) 97.0.2",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox-97.0.2",
      "released": "2022-03-05T00:00:00Z"
    },
    {
      "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": "97.0.2\u002Bbuild1-0ubuntu0.18.04.1",
      "fix": "firefox 97.0.2\u002Bbuild1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-97.0.2-build1-0ubuntu0.18.04.1",
      "released": "2022-03-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "97.0.2\u002Bbuild1-0ubuntu0.20.04.1",
      "fix": "firefox 97.0.2\u002Bbuild1-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-97.0.2-build1-0ubuntu0.20.04.1",
      "released": "2022-03-05T16:00:00Z"
    },
    {
      "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 12.15 (bookworm)",
      "fixedVersion": "91.6.1esr-1",
      "fix": "DEBIAN-CVE-2022-26486",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-26486",
      "released": "2022-12-22T20:15:22Z"
    },
    {
      "platform": "linux",
      "product": "firefox-esr",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "91.6.1esr-1",
      "fix": "DEBIAN-CVE-2022-26486",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-26486",
      "released": "2022-12-22T20:15:22Z"
    },
    {
      "platform": "linux",
      "product": "firefox-esr",
      "release": "Debian 14",
      "fixedVersion": "91.6.1esr-1",
      "fix": "DEBIAN-CVE-2022-26486",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-26486",
      "released": "2022-12-22T20:15:22Z"
    },
    {
      "platform": "linux",
      "product": "firefox-geckodriver",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "97.0.2\u002Bbuild1-0ubuntu0.18.04.1",
      "fix": "firefox-geckodriver 97.0.2\u002Bbuild1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-geckodriver-97.0.2-build1-0ubuntu0.18.04.1",
      "released": "2022-03-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-geckodriver",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "97.0.2\u002Bbuild1-0ubuntu0.20.04.1",
      "fix": "firefox-geckodriver 97.0.2\u002Bbuild1-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-geckodriver-97.0.2-build1-0ubuntu0.20.04.1",
      "released": "2022-03-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "97.0.2\u002Bbuild1-0ubuntu0.18.04.1",
      "fix": "firefox-mozsymbols 97.0.2\u002Bbuild1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-mozsymbols-97.0.2-build1-0ubuntu0.18.04.1",
      "released": "2022-03-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "97.0.2\u002Bbuild1-0ubuntu0.20.04.1",
      "fix": "firefox-mozsymbols 97.0.2\u002Bbuild1-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-mozsymbols-97.0.2-build1-0ubuntu0.20.04.1",
      "released": "2022-03-05T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "1:91.6.2-1",
      "fix": "DEBIAN-CVE-2022-26486",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-26486",
      "released": "2022-12-22T20:15:22Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1:91.6.2-1",
      "fix": "DEBIAN-CVE-2022-26486",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-26486",
      "released": "2022-12-22T20:15:22Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Debian 14",
      "fixedVersion": "1:91.6.2-1",
      "fix": "DEBIAN-CVE-2022-26486",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-26486",
      "released": "2022-12-22T20:15:22Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "RHEL 8",
      "fixedVersion": "0:91.7.0-2.el8_5",
      "fix": "RHSA-2022:0845",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-0845",
      "released": "2022-03-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "almalinux 8",
      "fixedVersion": "91.7.0-2.el8_5.alma",
      "fix": "ALSA-2022:0845",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-0845",
      "released": "2022-03-14T09:49:10Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "ol 8",
      "fixedVersion": "0:91.7.0-2.0.1.el8_5",
      "fix": "ELSA-2022-0845",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-0845",
      "released": "2022-03-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "rocky 8",
      "fixedVersion": "0:91.7.0-2.el8_5",
      "fix": "RLSA-2022:0845",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2022-0845",
      "released": "2022-03-14T09:49:10Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}