{
  "cveId": "CVE-2020-35114",
  "url": "https://patchblox.com/security/cve/CVE-2020-35114",
  "summary": "CVE-2020-35114 is fixed in 4 products on 2 platforms, first by firefox 84.0\u002Bbuild3-0ubuntu0.18.04.1, released December 14, 2020. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Firefox ESR and 1 other: Mozilla developers reported memory safety bugs present in Firefox 83.",
  "description": "Mozilla developers reported memory safety bugs present in Firefox 83. 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 84.",
  "published": "2020-12-14T16:00:00Z",
  "severity": "Medium",
  "cvss": 8.8,
  "epss": 0.01049,
  "epssPercentile": 0.64442,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2020-35114",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (en-US)",
      "fixedVersion": "91.0",
      "fix": "Mozilla Firefox ESR (en-US) 91.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr-91.0",
      "released": "2021-08-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "84.0\u002Bbuild3-0ubuntu0.18.04.1",
      "fix": "firefox 84.0\u002Bbuild3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-84.0-build3-0ubuntu0.18.04.1",
      "released": "2020-12-14T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "84.0\u002Bbuild3-0ubuntu0.20.04.1",
      "fix": "firefox 84.0\u002Bbuild3-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-84.0-build3-0ubuntu0.20.04.1",
      "released": "2020-12-14T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-geckodriver",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "84.0\u002Bbuild3-0ubuntu0.18.04.1",
      "fix": "firefox-geckodriver 84.0\u002Bbuild3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-geckodriver-84.0-build3-0ubuntu0.18.04.1",
      "released": "2020-12-14T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-geckodriver",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "84.0\u002Bbuild3-0ubuntu0.20.04.1",
      "fix": "firefox-geckodriver 84.0\u002Bbuild3-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-geckodriver-84.0-build3-0ubuntu0.20.04.1",
      "released": "2020-12-14T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "84.0\u002Bbuild3-0ubuntu0.18.04.1",
      "fix": "firefox-mozsymbols 84.0\u002Bbuild3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-mozsymbols-84.0-build3-0ubuntu0.18.04.1",
      "released": "2020-12-14T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "84.0\u002Bbuild3-0ubuntu0.20.04.1",
      "fix": "firefox-mozsymbols 84.0\u002Bbuild3-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-mozsymbols-84.0-build3-0ubuntu0.20.04.1",
      "released": "2020-12-14T16:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}