{
  "fix": "Firefox Developer Edition (en-US) 127.0",
  "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-127.0",
  "summary": "Firefox Developer Edition (en-US) 127.0, released May 14, 2024, fixes 15 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) 127.0",
  "released": "2024-05-14T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2024-5688, high severity",
  "supported": true,
  "cveCount": 15,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.0107,
  "maxCvss": 9.8,
  "appliesTo": [
    {
      "product": "Firefox Developer Edition (en-US)",
      "productUrl": "https://patchblox.com/security/product/windows-app/firefox-developer-edition-en-us",
      "fixedVersion": "127.0",
      "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-2024-5688",
      "url": "https://patchblox.com/security/cve/CVE-2024-5688",
      "title": "Mozilla Firefox ESR and 6 others: Use After Free",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.1,
      "epss": 0.0107,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-5696",
      "url": "https://patchblox.com/security/cve/CVE-2024-5696",
      "title": "Mozilla Firefox ESR and 6 others: Out-of-bounds Write",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.6,
      "epss": 0.00807,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-5699",
      "url": "https://patchblox.com/security/cve/CVE-2024-5699",
      "title": "Mozilla Firefox ESR and 4 others: Improper Handling of Case Sensitivity",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.00773,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-5695",
      "url": "https://patchblox.com/security/cve/CVE-2024-5695",
      "title": "Mozilla Firefox ESR and 4 others: Out-of-bounds Write",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.00577,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-5701",
      "url": "https://patchblox.com/security/cve/CVE-2024-5701",
      "title": "Mozilla Firefox ESR and 4 others: Out-of-bounds Write",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.00577,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-5694",
      "url": "https://patchblox.com/security/cve/CVE-2024-5694",
      "title": "Mozilla Firefox ESR and 4 others: Use After Free",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.0047,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-5700",
      "url": "https://patchblox.com/security/cve/CVE-2024-5700",
      "title": "Mozilla Firefox ESR and 6 others: Access of Memory Location Before Start of Buffer",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.0044,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-5690",
      "url": "https://patchblox.com/security/cve/CVE-2024-5690",
      "title": "Mozilla Firefox ESR and 6 others: Observable Discrepancy",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.1,
      "epss": 0.00736,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-5691",
      "url": "https://patchblox.com/security/cve/CVE-2024-5691",
      "title": "Mozilla Firefox ESR and 6 others: Protection Mechanism Failure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.1,
      "epss": 0.00654,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-5692",
      "url": "https://patchblox.com/security/cve/CVE-2024-5692",
      "title": "Mozilla Firefox ESR and 6 others: On Windows 10, when using the \u0027Save As\u0027 functionality, an attacker could have tricked the browser into\u2026",
      "priority": "Routine",
      "cvss": 6.5,
      "epss": 0.00615,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-5693",
      "url": "https://patchblox.com/security/cve/CVE-2024-5693",
      "title": "Mozilla Firefox ESR and 6 others: Inclusion of Functionality from Untrusted Control Sphere",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.1,
      "epss": 0.00578,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-5687",
      "url": "https://patchblox.com/security/cve/CVE-2024-5687",
      "title": "Mozilla Firefox ESR and 4 others: Improper Access Control",
      "priority": "Routine",
      "cvss": 5.3,
      "epss": 0.00411,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-5689",
      "url": "https://patchblox.com/security/cve/CVE-2024-5689",
      "title": "Mozilla Firefox ESR and 4 others: In addition to detecting when a user was taking a screenshot (XXX), a website was able to overlay the\u2026",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 4.3,
      "epss": 0.00398,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-5697",
      "url": "https://patchblox.com/security/cve/CVE-2024-5697",
      "title": "Mozilla Firefox ESR and 4 others: Observable Discrepancy",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 4.3,
      "epss": 0.00395,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-5698",
      "url": "https://patchblox.com/security/cve/CVE-2024-5698",
      "title": "Mozilla Firefox ESR and 4 others: User Interface (UI) Misrepresentation of Critical Information",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 6.1,
      "epss": 0.00382,
      "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"
  }
}