{
  "fix": "Firefox Developer Edition (en-US) 141.0",
  "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-141.0",
  "summary": "Firefox Developer Edition (en-US) 141.0, released July 11, 2025, fixes 24 CVEs in Firefox Developer Edition (en-US). None of them is reported as exploited. Patch Radar priority: Urgent. 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) 141.0",
  "released": "2025-07-11T00:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2025-8044, rated Critical",
  "supported": true,
  "cveCount": 24,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.0058,
  "maxCvss": 9.8,
  "appliesTo": [
    {
      "product": "Firefox Developer Edition (en-US)",
      "productUrl": "https://patchblox.com/security/product/windows-app/firefox-developer-edition-en-us",
      "fixedVersion": "141.0",
      "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-2025-8044",
      "url": "https://patchblox.com/security/cve/CVE-2025-8044",
      "title": "Memory safety bugs fixed in Firefox 141 and Thunderbird 141",
      "priority": "Urgent",
      "cvss": 9.8,
      "epss": 0.00479,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-8043",
      "url": "https://patchblox.com/security/cve/CVE-2025-8043",
      "title": "Incorrect URL truncation",
      "priority": "Urgent",
      "cvss": 9.8,
      "epss": 0.00434,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-16361",
      "url": "https://patchblox.com/security/cve/CVE-2026-16361",
      "title": "Memory safety bugs fixed in Thunderbird ESR 140.13",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.00315,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-8028",
      "url": "https://patchblox.com/security/cve/CVE-2025-8028",
      "title": "Large branch table could lead to truncated instruction",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.0058,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-8031",
      "url": "https://patchblox.com/security/cve/CVE-2025-8031",
      "title": "Incorrect URL stripping in CSP reports",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.00511,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-8091",
      "url": "https://patchblox.com/security/cve/CVE-2026-8091",
      "title": "Incorrect boundary conditions in the Audio/Video: Playback component",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.00469,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-8034",
      "url": "https://patchblox.com/security/cve/CVE-2025-8034",
      "title": "Memory safety bugs fixed in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00461,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-8094",
      "url": "https://patchblox.com/security/cve/CVE-2026-8094",
      "title": "Other issue in the WebRTC component",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.00446,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-8036",
      "url": "https://patchblox.com/security/cve/CVE-2025-8036",
      "title": "DNS rebinding circumvents CORS",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.1,
      "epss": 0.00446,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-8027",
      "url": "https://patchblox.com/security/cve/CVE-2025-8027",
      "title": "JavaScript engine only wrote partial return value to stack",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00432,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-8033",
      "url": "https://patchblox.com/security/cve/CVE-2025-8033",
      "title": "Incorrect JavaScript state machine for generators",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00432,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-8092",
      "url": "https://patchblox.com/security/cve/CVE-2026-8092",
      "title": "Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thunderbird 150.0.2",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.1,
      "epss": 0.00414,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-8035",
      "url": "https://patchblox.com/security/cve/CVE-2025-8035",
      "title": "Memory safety bugs fixed in Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00401,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-8029",
      "url": "https://patchblox.com/security/cve/CVE-2025-8029",
      "title": "javascript: URLs executed on object and embed tags",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.1,
      "epss": 0.00376,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-8030",
      "url": "https://patchblox.com/security/cve/CVE-2025-8030",
      "title": "Potential user-assisted code execution in \u201CCopy as cURL\u201D command",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.1,
      "epss": 0.00376,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-8032",
      "url": "https://patchblox.com/security/cve/CVE-2025-8032",
      "title": "XSLT documents could bypass CSP",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.1,
      "epss": 0.00375,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-8040",
      "url": "https://patchblox.com/security/cve/CVE-2025-8040",
      "title": "Memory safety bugs fixed in Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00368,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-8039",
      "url": "https://patchblox.com/security/cve/CVE-2025-8039",
      "title": "Search terms persisted in URL bar",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.1,
      "epss": 0.0034,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12329",
      "url": "https://patchblox.com/security/cve/CVE-2026-12329",
      "title": "Memory safety bug fixed in Thunderbird ESR 140.12",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.00313,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-92021",
      "url": "https://patchblox.com/security/cve/CVE-2026-92021",
      "title": "Use-after-free in the JavaScript Engine: JIT component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00282,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-8038",
      "url": "https://patchblox.com/security/cve/CVE-2025-8038",
      "title": "CSP frame-src was not correctly enforced for paths",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.00267,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-8037",
      "url": "https://patchblox.com/security/cve/CVE-2025-8037",
      "title": "Nameless cookies shadow secure cookies",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.1,
      "epss": 0.00266,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-92014",
      "url": "https://patchblox.com/security/cve/CVE-2026-92014",
      "title": "Privilege escalation due to incorrect boundary conditions in the Graphics component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00239,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-12330",
      "url": "https://patchblox.com/security/cve/CVE-2026-12330",
      "title": "Incorrect boundary conditions in the Internationalization component",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.00164,
      "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"
  }
}