{
  "fix": "Firefox Developer Edition (en-US) 129.0",
  "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-129.0",
  "summary": "Firefox Developer Edition (en-US) 129.0, released July 9, 2024, fixes 18 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) 129.0",
  "released": "2024-07-09T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2024-7520, high severity",
  "supported": true,
  "cveCount": 18,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00638,
  "maxCvss": 9.6,
  "appliesTo": [
    {
      "product": "Firefox Developer Edition (en-US)",
      "productUrl": "https://patchblox.com/security/product/windows-app/firefox-developer-edition-en-us",
      "fixedVersion": "129.0",
      "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-2024-7520",
      "url": "https://patchblox.com/security/cve/CVE-2024-7520",
      "title": "Mozilla Firefox ESR and 6 others: Improper Control of Generation of Code (\u0027Code Injection\u0027)",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00638,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-7522",
      "url": "https://patchblox.com/security/cve/CVE-2024-7522",
      "title": "Mozilla Firefox ESR and 6 others: Out-of-bounds Read",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00634,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-7519",
      "url": "https://patchblox.com/security/cve/CVE-2024-7519",
      "title": "Mozilla Firefox ESR and 6 others: Out-of-bounds Write",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00629,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-7521",
      "url": "https://patchblox.com/security/cve/CVE-2024-7521",
      "title": "Mozilla Firefox ESR and 6 others: Improper Handling of Exceptional Conditions",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00616,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-7527",
      "url": "https://patchblox.com/security/cve/CVE-2024-7527",
      "title": "Mozilla Firefox ESR and 6 others: Use After Free",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00607,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-7525",
      "url": "https://patchblox.com/security/cve/CVE-2024-7525",
      "title": "Mozilla Firefox ESR and 6 others: Improper Access Control",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00598,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-7526",
      "url": "https://patchblox.com/security/cve/CVE-2024-7526",
      "title": "Mozilla Firefox ESR and 6 others: Use of Uninitialized Resource",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.0058,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-7529",
      "url": "https://patchblox.com/security/cve/CVE-2024-7529",
      "title": "Mozilla Firefox ESR and 6 others: User Interface (UI) Misrepresentation of Critical Information",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00526,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-7528",
      "url": "https://patchblox.com/security/cve/CVE-2024-7528",
      "title": "Mozilla Firefox ESR and 6 others: Use After Free",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00516,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-7518",
      "url": "https://patchblox.com/security/cve/CVE-2024-7518",
      "title": "Mozilla Firefox ESR and 6 others: Improper Restriction of Rendered UI Layers or Frames",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00509,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-4093",
      "url": "https://patchblox.com/security/cve/CVE-2025-4093",
      "title": "Memory safety bug fixed in Firefox ESR 128.10 and Thunderbird 128.10",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00491,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-7524",
      "url": "https://patchblox.com/security/cve/CVE-2024-7524",
      "title": "Mozilla Firefox ESR and 4 others: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00489,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-5269",
      "url": "https://patchblox.com/security/cve/CVE-2025-5269",
      "title": "Memory safety bug fixed in Firefox ESR 128.11 and Thunderbird 128.11",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00483,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-8900",
      "url": "https://patchblox.com/security/cve/CVE-2024-8900",
      "title": "Mozilla Firefox ESR and 7 others: Incorrect Permission Assignment for Critical Resource",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00426,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-7530",
      "url": "https://patchblox.com/security/cve/CVE-2024-7530",
      "title": "Mozilla Firefox ESR and 4 others: Use After Free",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00381,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-7523",
      "url": "https://patchblox.com/security/cve/CVE-2024-7523",
      "title": "Mozilla Firefox ESR and 4 others: Improper Restriction of Rendered UI Layers or Frames",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.1,
      "epss": 0.00277,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-4084",
      "url": "https://patchblox.com/security/cve/CVE-2025-4084",
      "title": "Potential local code execution in \u0022copy as cURL\u0022 command",
      "priority": "Routine",
      "cvss": 5.7,
      "epss": 0.00446,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-7531",
      "url": "https://patchblox.com/security/cve/CVE-2024-7531",
      "title": "Mozilla Firefox ESR and 4 others: Time-of-check Time-of-use (TOCTOU) Race Condition",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00437,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}