{
  "cveId": "CVE-2022-0843",
  "url": "https://patchblox.com/security/cve/CVE-2022-0843",
  "summary": "CVE-2022-0843 is fixed in 5 products on 2 platforms, first by Mozilla Firefox (en-US) 97.0, released February 8, 2022. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Mozilla Firefox ESR and 2 others: Out-of-bounds Write",
  "description": "Mozilla developers Kershaw Chang, Ryan VanderMeulen, and Randell Jesup reported memory safety bugs present in Firefox 97. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox \u003C 98.",
  "published": "2022-03-08T16:00:00Z",
  "severity": "Medium",
  "cvss": 8.8,
  "cwe": "CWE-787: Out-of-bounds Write",
  "epss": 0.00566,
  "epssPercentile": 0.47203,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2022-0843",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox (en-US)",
      "fixedVersion": "97.0",
      "fix": "Mozilla Firefox (en-US) 97.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox-97.0",
      "released": "2022-02-08T00:00:00Z"
    },
    {
      "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": "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-geckodriver",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "98.0\u002Bbuild3-0ubuntu0.18.04.2",
      "fix": "firefox-geckodriver 98.0\u002Bbuild3-0ubuntu0.18.04.2",
      "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",
      "product": "firefox-geckodriver",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "98.0\u002Bbuild3-0ubuntu0.20.04.2",
      "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"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "98.0\u002Bbuild3-0ubuntu0.18.04.2",
      "fix": "firefox-mozsymbols 98.0\u002Bbuild3-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-mozsymbols-98.0-build3-0ubuntu0.18.04.2",
      "released": "2022-03-08T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "98.0\u002Bbuild3-0ubuntu0.20.04.2",
      "fix": "firefox-mozsymbols 98.0\u002Bbuild3-0ubuntu0.20.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-mozsymbols-98.0-build3-0ubuntu0.20.04.2",
      "released": "2022-03-08T16:00:00Z"
    }
  ],
  "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"
  }
}