{
  "product": "Mozilla Firefox (eo)",
  "url": "https://patchblox.com/security/product/windows-app/mozilla-firefox-eo",
  "summary": "The latest version of Mozilla Firefox (eo) is 159.0, released October 27, 2026. Patch Radar has 37 security fixes for Mozilla Firefox (eo), closing 663 CVEs. The newest security fix is Mozilla Firefox (eo) 157.0.1, released October 6, 2026. Version 159.0 adds no new CVE fixes and includes all of them.",
  "platform": "windows-app",
  "vendor": "Mozilla",
  "supported": true,
  "latestVersion": "159.0",
  "latestReleased": "2026-10-27T00:00:00Z",
  "latestIncludesAllFixes": true,
  "fixCount": 37,
  "cveCount": 663,
  "exploitedCveCount": 0,
  "unfixedCveCount": 0,
  "fixes": [
    {
      "fix": "Mozilla Firefox (eo) 157.0.1",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-157.0.1",
      "released": "2026-10-06T00:00:00Z",
      "fixedVersion": "157.0.1",
      "priority": "Urgent",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 157.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-157.0",
      "released": "2026-09-29T00:00:00Z",
      "fixedVersion": "157.0",
      "priority": "Urgent",
      "cveCount": 75,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 156.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-156.0",
      "released": "2026-09-15T00:00:00Z",
      "fixedVersion": "156.0",
      "priority": "Urgent",
      "cveCount": 72,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 155.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-155.0",
      "released": "2026-09-01T00:00:00Z",
      "fixedVersion": "155.0",
      "priority": "Urgent",
      "cveCount": 26,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 154.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-154.0",
      "released": "2026-08-18T00:00:00Z",
      "fixedVersion": "154.0",
      "priority": "Urgent",
      "cveCount": 56,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 153.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-153.0",
      "released": "2026-07-21T00:00:00Z",
      "fixedVersion": "153.0",
      "priority": "Urgent",
      "cveCount": 61,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 152.0.6",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-152.0.6",
      "released": "2026-07-14T00:00:00Z",
      "fixedVersion": "152.0.6",
      "priority": "High",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 152.0.4",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-152.0.4",
      "released": "2026-06-30T00:00:00Z",
      "fixedVersion": "152.0.4",
      "priority": "Urgent",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 152.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-152.0",
      "released": "2026-06-16T00:00:00Z",
      "fixedVersion": "152.0",
      "priority": "Urgent",
      "cveCount": 40,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 151.0.3",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-151.0.3",
      "released": "2026-06-02T00:00:00Z",
      "fixedVersion": "151.0.3",
      "priority": "High",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 151.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-151.0",
      "released": "2026-05-19T00:00:00Z",
      "fixedVersion": "151.0",
      "priority": "Urgent",
      "cveCount": 31,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 150.0.3",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-150.0.3",
      "released": "2026-05-12T00:00:00Z",
      "fixedVersion": "150.0.3",
      "priority": "High",
      "cveCount": 5,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 150.0.2",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-150.0.2",
      "released": "2026-05-07T00:00:00Z",
      "fixedVersion": "150.0.2",
      "priority": "High",
      "cveCount": 3,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 150.0.1",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-150.0.1",
      "released": "2026-04-28T00:00:00Z",
      "fixedVersion": "150.0.1",
      "priority": "High",
      "cveCount": 4,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 150.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-150.0",
      "released": "2026-04-21T00:00:00Z",
      "fixedVersion": "150.0",
      "priority": "Urgent",
      "cveCount": 42,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 149.0.2",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-149.0.2",
      "released": "2026-04-07T00:00:00Z",
      "fixedVersion": "149.0.2",
      "priority": "Urgent",
      "cveCount": 4,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 149.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-149.0",
      "released": "2026-03-24T00:00:00Z",
      "fixedVersion": "149.0",
      "priority": "Urgent",
      "cveCount": 45,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 148.0.2",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-148.0.2",
      "released": "2026-03-10T00:00:00Z",
      "fixedVersion": "148.0.2",
      "priority": "High",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 148.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-148.0",
      "released": "2026-02-24T00:00:00Z",
      "fixedVersion": "148.0",
      "priority": "Urgent",
      "cveCount": 51,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 147.0.4",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-147.0.4",
      "released": "2026-02-16T00:00:00Z",
      "fixedVersion": "147.0.4",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 147.0.2",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-147.0.2",
      "released": "2026-01-27T00:00:00Z",
      "fixedVersion": "147.0.2",
      "priority": "High",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 147.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-147.0",
      "released": "2026-01-13T00:00:00Z",
      "fixedVersion": "147.0",
      "priority": "Urgent",
      "cveCount": 16,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 146.0.1",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-146.0.1",
      "released": "2025-12-18T00:00:00Z",
      "fixedVersion": "146.0.1",
      "priority": "Urgent",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 146.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-146.0",
      "released": "2025-12-09T00:00:00Z",
      "fixedVersion": "146.0",
      "priority": "Urgent",
      "cveCount": 13,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 145.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-145.0",
      "released": "2025-11-11T00:00:00Z",
      "fixedVersion": "145.0",
      "priority": "Urgent",
      "cveCount": 16,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 144.0.2",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-144.0.2",
      "released": "2025-10-28T00:00:00Z",
      "fixedVersion": "144.0.2",
      "priority": "Urgent",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 144.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-144.0",
      "released": "2025-10-14T00:00:00Z",
      "fixedVersion": "144.0",
      "priority": "Urgent",
      "cveCount": 10,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 143.0.3",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-143.0.3",
      "released": "2025-09-30T00:00:00Z",
      "fixedVersion": "143.0.3",
      "priority": "High",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 143.0.1",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-143.0.1",
      "released": "2025-09-19T00:00:00Z",
      "fixedVersion": "143.0.1",
      "priority": "High",
      "cveCount": 1,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 143.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-143.0",
      "released": "2025-09-16T00:00:00Z",
      "fixedVersion": "143.0",
      "priority": "High",
      "cveCount": 10,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 142.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-142.0",
      "released": "2025-08-19T00:00:00Z",
      "fixedVersion": "142.0",
      "priority": "Urgent",
      "cveCount": 9,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 141.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-141.0",
      "released": "2025-07-22T00:00:00Z",
      "fixedVersion": "141.0",
      "priority": "Urgent",
      "cveCount": 23,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 140.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-140.0",
      "released": "2025-06-24T00:00:00Z",
      "fixedVersion": "140.0",
      "priority": "High",
      "cveCount": 10,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 139.0.4",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-139.0.4",
      "released": "2025-06-10T00:00:00Z",
      "fixedVersion": "139.0.4",
      "priority": "Urgent",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 139.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-139.0",
      "released": "2025-05-27T00:00:00Z",
      "fixedVersion": "139.0",
      "priority": "High",
      "cveCount": 9,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 138.0.4",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-138.0.4",
      "released": "2025-05-17T00:00:00Z",
      "fixedVersion": "138.0.4",
      "priority": "High",
      "cveCount": 2,
      "exploitedCveCount": 0
    },
    {
      "fix": "Mozilla Firefox (eo) 138.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.eo-138.0",
      "released": "2025-04-29T00:00:00Z",
      "fixedVersion": "138.0",
      "priority": "High",
      "cveCount": 11,
      "exploitedCveCount": 0
    }
  ],
  "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"
  }
}