{
  "fix": "Firefox Developer Edition (en-US) 130.0",
  "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-130.0",
  "summary": "Firefox Developer Edition (en-US) 130.0, released August 6, 2024, fixes 8 CVEs in Firefox Developer Edition (en-US). None of them is reported as exploited. Patch Radar priority: High. The latest Firefox Developer Edition (en-US) is 156.0, which also fixes every one of these CVEs.",
  "platform": "windows-app",
  "type": "app-version",
  "title": "Firefox Developer Edition (en-US) 130.0",
  "released": "2024-08-06T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2024-8381, high severity",
  "supported": true,
  "cveCount": 8,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.04395,
  "maxCvss": 9.8,
  "appliesTo": [
    {
      "product": "Firefox Developer Edition (en-US)",
      "productUrl": "https://patchblox.com/security/product/windows-app/firefox-developer-edition-en-us",
      "fixedVersion": "130.0",
      "latestVersion": "156.0",
      "supported": true
    }
  ],
  "supersededBy": {
    "product": "Firefox Developer Edition (en-US)",
    "latestVersion": "156.0",
    "productUrl": "https://patchblox.com/security/product/windows-app/firefox-developer-edition-en-us"
  },
  "cves": [
    {
      "cveId": "CVE-2024-8381",
      "url": "https://patchblox.com/security/cve/CVE-2024-8381",
      "title": "Mozilla Firefox ESR and 6 others: Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027)",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.04395,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-8384",
      "url": "https://patchblox.com/security/cve/CVE-2024-8384",
      "title": "Mozilla Firefox ESR and 6 others: Use After Free",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.00719,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-8383",
      "url": "https://patchblox.com/security/cve/CVE-2024-8383",
      "title": "Mozilla Firefox ESR and 4 others: Initialization of a Resource with an Insecure Default",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00637,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-8382",
      "url": "https://patchblox.com/security/cve/CVE-2024-8382",
      "title": "Mozilla Firefox ESR and 6 others: Improper Check for Dropped Privileges",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00595,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-8387",
      "url": "https://patchblox.com/security/cve/CVE-2024-8387",
      "title": "Mozilla Thunderbird ESR and 2 others: Improper Restriction of Operations within the Bounds of a Memory Buffer",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.00584,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-8385",
      "url": "https://patchblox.com/security/cve/CVE-2024-8385",
      "title": "Mozilla Firefox ESR and 7 others: Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027)",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.00575,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-8389",
      "url": "https://patchblox.com/security/cve/CVE-2024-8389",
      "title": "Firefox Developer Edition and 1 other: Improper Restriction of Operations within the Bounds of a Memory Buffer",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.00489,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-8386",
      "url": "https://patchblox.com/security/cve/CVE-2024-8386",
      "title": "Mozilla Firefox ESR and 7 others: Authentication Bypass by Spoofing",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.1,
      "epss": 0.00388,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}