{
  "fix": "firefox 120.0\u002Bbuild2-0ubuntu0.20.04.1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-120.0-build2-0ubuntu0.20.04.1",
  "summary": "firefox 120.0\u002Bbuild2-0ubuntu0.20.04.1, released November 21, 2023, fixes 10 CVEs in firefox. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "firefox 120.0\u002Bbuild2-0ubuntu0.20.04.1 for Ubuntu 20.04.3 LTS (focal)",
  "released": "2023-11-21T07:15:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2023-6212, high severity",
  "supported": false,
  "cveCount": 10,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01418,
  "maxCvss": 8.8,
  "appliesTo": [
    {
      "product": "firefox",
      "productUrl": "https://patchblox.com/security/product/linux/firefox",
      "release": "Ubuntu 20.04.3 LTS (focal)",
      "fixedVersion": "120.0\u002Bbuild2-0ubuntu0.20.04.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-6212",
      "url": "https://patchblox.com/security/cve/CVE-2023-6212",
      "title": "Mozilla Firefox ESR and 5 others: Memory safety bugs present in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4.",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.00947,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-6207",
      "url": "https://patchblox.com/security/cve/CVE-2023-6207",
      "title": "Mozilla Firefox ESR and 5 others: Ownership mismanagement led to a use-after-free in ReadableByteStreams This vulnerability affects Firefox\u2026",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.00906,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-6208",
      "url": "https://patchblox.com/security/cve/CVE-2023-6208",
      "title": "Mozilla Firefox ESR and 5 others: When using X11, text selected by the page using the Selection API was erroneously copied into the primary\u2026",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.00888,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-6205",
      "url": "https://patchblox.com/security/cve/CVE-2023-6205",
      "title": "Mozilla Firefox ESR and 5 others: It was possible to cause the use of a MessagePort after it had already been freed, which could potentially\u2026",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 7.5,
      "epss": 0.00874,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-6204",
      "url": "https://patchblox.com/security/cve/CVE-2023-6204",
      "title": "Mozilla Firefox ESR and 5 others: On some systems\u2014depending on the graphics settings and drivers\u2014it was possible to force an out-of-bounds\u2026",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 7.5,
      "epss": 0.00841,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-6213",
      "url": "https://patchblox.com/security/cve/CVE-2023-6213",
      "title": "Mozilla Firefox ESR and 3 others: Memory safety bugs present in Firefox 119.",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00668,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-6206",
      "url": "https://patchblox.com/security/cve/CVE-2023-6206",
      "title": "Mozilla Firefox ESR and 5 others: The black fade animation when exiting fullscreen is roughly the length of the anti-clickjacking delay\u2026",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 7.5,
      "epss": 0.00642,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-6209",
      "url": "https://patchblox.com/security/cve/CVE-2023-6209",
      "title": "Mozilla Firefox ESR and 5 others: Relative URLs starting with three slashes were incorrectly parsed, and a path-traversal \u0022/../\u0022 part in\u2026",
      "priority": "Routine",
      "severity": "IMPORTANT",
      "cvss": 6.5,
      "epss": 0.01418,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-6210",
      "url": "https://patchblox.com/security/cve/CVE-2023-6210",
      "title": "Mozilla Firefox ESR and 3 others: When an https: web page created a pop-up from a \u0022javascript:\u0022 URL, that pop-up was incorrectly allowed\u2026",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 6.5,
      "epss": 0.00614,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-6211",
      "url": "https://patchblox.com/security/cve/CVE-2023-6211",
      "title": "Mozilla Firefox ESR and 3 others: If an attacker needed a user to load an insecure http: page and knew that user had enabled HTTPS-only\u2026",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 6.5,
      "epss": 0.00494,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-14T20:11:19Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}