{
  "product": "Mozilla Firefox ESR (lt)",
  "url": "https://patchblox.com/security/product/windows-app/mozilla-firefox-esr-lt",
  "summary": "The latest version of Mozilla Firefox ESR (lt) is 153.7.0, released November 10, 2026. Patch Radar has 16 security fixes for Mozilla Firefox ESR (lt), closing 950 CVEs, 3 of which are being exploited. The newest security fix is Mozilla Firefox ESR (lt) 153.7.0, released November 10, 2026.",
  "platform": "windows-app",
  "vendor": "Mozilla",
  "supported": true,
  "latestVersion": "153.7.0",
  "latestReleased": "2026-11-10T00:00:00Z",
  "fixCount": 16,
  "cveCount": 950,
  "exploitedCveCount": 3,
  "unfixedCveCount": 0,
  "fixes": [
    {
      "fix": "Mozilla Firefox ESR (lt) 153.7.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.lt-153.7.0",
      "released": "2026-11-10T00:00:00Z",
      "fixedVersion": "153.7.0",
      "priority": "Urgent",
      "cveCount": 47,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox ESR (lt) 153.4.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.lt-153.4.0",
      "released": "2026-09-29T00:00:00Z",
      "fixedVersion": "153.4.0",
      "priority": "Urgent",
      "cveCount": 59,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox ESR (lt) 153.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.lt-153.3.0",
      "released": "2026-09-15T00:00:00Z",
      "fixedVersion": "153.3.0",
      "priority": "Urgent",
      "cveCount": 63,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox ESR (lt) 153.2.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.lt-153.2.0",
      "released": "2026-09-01T00:00:00Z",
      "fixedVersion": "153.2.0",
      "priority": "Urgent",
      "cveCount": 22,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox ESR (lt) 153.1.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.lt-153.1.0",
      "released": "2026-08-18T00:00:00Z",
      "fixedVersion": "153.1.0",
      "priority": "Urgent",
      "cveCount": 39,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox ESR (lt) 140.13.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.lt-140.13.0",
      "released": "2026-07-21T00:00:00Z",
      "fixedVersion": "140.13.0",
      "priority": "Urgent",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox ESR (lt) 153.0.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.lt-153.0.0",
      "released": "2026-07-20T00:00:00Z",
      "fixedVersion": "153.0.0",
      "priority": "Urgent",
      "cveCount": 389,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox ESR (lt) 140.12.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.lt-140.12.0",
      "released": "2026-06-16T00:00:00Z",
      "fixedVersion": "140.12.0",
      "priority": "High",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox ESR (lt) 140.10.2",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.lt-140.10.2",
      "released": "2026-05-07T00:00:00Z",
      "fixedVersion": "140.10.2",
      "priority": "High",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox ESR (lt) 140.10.1",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.lt-140.10.1",
      "released": "2026-04-28T00:00:00Z",
      "fixedVersion": "140.10.1",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox ESR (lt) 140.9.1",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.lt-140.9.1",
      "released": "2026-04-07T00:00:00Z",
      "fixedVersion": "140.9.1",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox ESR (lt) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.lt-140.3.0",
      "released": "2025-09-16T00:00:00Z",
      "fixedVersion": "140.3.0",
      "priority": "Patch now",
      "cveCount": 142,
      "exploitedCveCount": 1
    },
    {
      "fix": "Mozilla Firefox ESR (lt) 128.11.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.lt-128.11.0",
      "released": "2025-05-27T00:00:00Z",
      "fixedVersion": "128.11.0",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox ESR (lt) 128.10.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.lt-128.10.0",
      "released": "2025-04-29T00:00:00Z",
      "fixedVersion": "128.10.0",
      "priority": "High",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox ESR (lt) 128.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.lt-128.3.0",
      "released": "2024-10-01T00:00:00Z",
      "fixedVersion": "128.3.0",
      "priority": "Patch now",
      "cveCount": 178,
      "exploitedCveCount": 2
    },
    {
      "fix": "Mozilla Firefox ESR (lt) 115.9.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.lt-115.9.0",
      "released": "2024-03-19T00:00:00Z",
      "fixedVersion": "115.9.0",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-11T07:45:43Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}