{
  "product": "Firefox Developer Edition (en-US)",
  "url": "https://patchblox.com/security/product/windows-app/firefox-developer-edition-en-us",
  "summary": "The latest version of Firefox Developer Edition (en-US) is 160.0, released October 30, 2026. Patch Radar has 27 security fixes for Firefox Developer Edition (en-US), closing 824 CVEs, 1 of which is being exploited. The newest security fix is Firefox Developer Edition (en-US) 160.0, released October 30, 2026.",
  "platform": "windows-app",
  "vendor": "Mozilla",
  "supported": true,
  "latestVersion": "160.0",
  "latestReleased": "2026-10-30T00:00:00Z",
  "fixCount": 27,
  "cveCount": 824,
  "exploitedCveCount": 1,
  "unfixedCveCount": 0,
  "fixes": [
    {
      "fix": "Firefox Developer Edition (en-US) 160.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-160.0",
      "released": "2026-10-30T00:00:00Z",
      "fixedVersion": "160.0",
      "priority": "Urgent",
      "cveCount": 76,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 156.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-156.0",
      "released": "2026-09-02T00:00:00Z",
      "fixedVersion": "156.0",
      "priority": "Urgent",
      "cveCount": 259,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 151.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-151.0",
      "released": "2026-05-13T00:00:00Z",
      "fixedVersion": "151.0",
      "priority": "Urgent",
      "cveCount": 88,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 149.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-149.0",
      "released": "2026-03-13T00:00:00Z",
      "fixedVersion": "149.0",
      "priority": "Urgent",
      "cveCount": 47,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 148.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-148.0",
      "released": "2026-02-09T00:00:00Z",
      "fixedVersion": "148.0",
      "priority": "Urgent",
      "cveCount": 54,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 147.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-147.0",
      "released": "2025-12-22T00:00:00Z",
      "fixedVersion": "147.0",
      "priority": "Urgent",
      "cveCount": 18,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 146.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-146.0",
      "released": "2025-11-28T00:00:00Z",
      "fixedVersion": "146.0",
      "priority": "Urgent",
      "cveCount": 13,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 145.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-145.0",
      "released": "2025-10-31T00:00:00Z",
      "fixedVersion": "145.0",
      "priority": "Urgent",
      "cveCount": 17,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 144.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-144.0",
      "released": "2025-10-03T00:00:00Z",
      "fixedVersion": "144.0",
      "priority": "Urgent",
      "cveCount": 13,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 143.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-143.0",
      "released": "2025-09-05T00:00:00Z",
      "fixedVersion": "143.0",
      "priority": "High",
      "cveCount": 10,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 142.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-142.0",
      "released": "2025-08-08T00:00:00Z",
      "fixedVersion": "142.0",
      "priority": "Urgent",
      "cveCount": 9,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 141.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-141.0",
      "released": "2025-07-11T00:00:00Z",
      "fixedVersion": "141.0",
      "priority": "Urgent",
      "cveCount": 24,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 140.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-140.0",
      "released": "2025-06-13T00:00:00Z",
      "fixedVersion": "140.0",
      "priority": "Urgent",
      "cveCount": 12,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 139.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-139.0",
      "released": "2025-05-18T00:00:00Z",
      "fixedVersion": "139.0",
      "priority": "High",
      "cveCount": 11,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 138.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-138.0",
      "released": "2025-04-18T00:00:00Z",
      "fixedVersion": "138.0",
      "priority": "High",
      "cveCount": 12,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 137.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-137.0",
      "released": "2025-03-12T00:00:00Z",
      "fixedVersion": "137.0",
      "priority": "Urgent",
      "cveCount": 8,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 136.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-136.0",
      "released": "2025-02-21T00:00:00Z",
      "fixedVersion": "136.0",
      "priority": "Urgent",
      "cveCount": 14,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 135.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-135.0",
      "released": "2025-01-24T00:00:00Z",
      "fixedVersion": "135.0",
      "priority": "High",
      "cveCount": 13,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 134.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-134.0",
      "released": "2024-12-13T00:00:00Z",
      "fixedVersion": "134.0",
      "priority": "High",
      "cveCount": 9,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 133.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-133.0",
      "released": "2024-11-15T00:00:00Z",
      "fixedVersion": "133.0",
      "priority": "Urgent",
      "cveCount": 16,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 132.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-132.0",
      "released": "2024-10-18T00:00:00Z",
      "fixedVersion": "132.0",
      "priority": "Patch now",
      "cveCount": 14,
      "exploitedCveCount": 1
    },
    {
      "fix": "Firefox Developer Edition (en-US) 131.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-131.0",
      "released": "2024-09-03T00:00:00Z",
      "fixedVersion": "131.0",
      "priority": "High",
      "cveCount": 13,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 130.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-130.0",
      "released": "2024-08-06T00:00:00Z",
      "fixedVersion": "130.0",
      "priority": "High",
      "cveCount": 8,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 129.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-129.0",
      "released": "2024-07-09T00:00:00Z",
      "fixedVersion": "129.0",
      "priority": "High",
      "cveCount": 18,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 128.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-128.0",
      "released": "2024-06-11T00:00:00Z",
      "fixedVersion": "128.0",
      "priority": "Urgent",
      "cveCount": 16,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 127.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-127.0",
      "released": "2024-05-14T00:00:00Z",
      "fixedVersion": "127.0",
      "priority": "High",
      "cveCount": 15,
      "exploitedCveCount": 0
    },
    {
      "fix": "Firefox Developer Edition (en-US) 126.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-126.0",
      "released": "2024-04-16T00:00:00Z",
      "fixedVersion": "126.0",
      "priority": "High",
      "cveCount": 17,
      "exploitedCveCount": 0
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-11T13:47:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}