{
  "fix": "Mozilla Thunderbird ESR (el) 140.4.0",
  "url": "https://patchblox.com/security/fix/windows-app/mozilla.thunderbird.esr.el-140.4.0",
  "summary": "Mozilla Thunderbird ESR (el) 140.4.0, released October 14, 2025, fixes 6 CVEs in Mozilla Thunderbird ESR (el). None of them is reported as exploited. Patch Radar priority: High. The latest Mozilla Thunderbird ESR (el) is 153.7.0, which also fixes every one of these CVEs.",
  "platform": "windows-app",
  "type": "app-version",
  "title": "Mozilla Thunderbird ESR (el) 140.4.0",
  "released": "2025-10-14T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2025-11708, high severity",
  "supported": true,
  "cveCount": 6,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00509,
  "maxCvss": 9.8,
  "appliesTo": [
    {
      "product": "Mozilla Thunderbird ESR (el)",
      "productUrl": "https://patchblox.com/security/product/windows-app/mozilla-thunderbird-esr-el",
      "fixedVersion": "140.4.0",
      "latestVersion": "153.7.0",
      "supported": true
    }
  ],
  "supersededBy": {
    "product": "Mozilla Thunderbird ESR (el)",
    "latestVersion": "153.7.0",
    "productUrl": "https://patchblox.com/security/product/windows-app/mozilla-thunderbird-esr-el"
  },
  "cves": [
    {
      "cveId": "CVE-2025-11708",
      "url": "https://patchblox.com/security/cve/CVE-2025-11708",
      "title": "Use-after-free in MediaTrackGraphImpl::GetInstance()",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.00509,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-11710",
      "url": "https://patchblox.com/security/cve/CVE-2025-11710",
      "title": "Cross-process information leaked due to malicious IPC messages",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.00422,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-11714",
      "url": "https://patchblox.com/security/cve/CVE-2025-11714",
      "title": "Memory safety bugs fixed in Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird ESR 140.4, Firefox 144 and Thunderbird 144",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.00335,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-11713",
      "url": "https://patchblox.com/security/cve/CVE-2025-11713",
      "title": "Potential user-assisted code execution in \u201CCopy as cURL\u201D command",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.1,
      "epss": 0.00287,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-11711",
      "url": "https://patchblox.com/security/cve/CVE-2025-11711",
      "title": "Some non-writable Object properties could be modified",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.0023,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-11712",
      "url": "https://patchblox.com/security/cve/CVE-2025-11712",
      "title": "An OBJECT tag type attribute overrode browser behavior on web resources without a content-type",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 7.5,
      "epss": 0.00221,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-11T19:49:26Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}