{
  "fix": "Mozilla Thunderbird (sr) 139.0.2",
  "url": "https://patchblox.com/security/fix/windows-app/mozilla.thunderbird.sr-139.0.2",
  "summary": "Mozilla Thunderbird (sr) 139.0.2, released June 10, 2025, fixes 1 CVE in Mozilla Thunderbird (sr). None of them is reported as exploited. Patch Radar priority: High. The latest Mozilla Thunderbird (sr) is 159.0, which also fixes every one of these CVEs.",
  "platform": "windows-app",
  "type": "app-version",
  "title": "Mozilla Thunderbird (sr) 139.0.2",
  "released": "2025-06-10T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2025-5986, high severity",
  "supported": true,
  "cveCount": 1,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00605,
  "maxCvss": 7.5,
  "appliesTo": [
    {
      "product": "Mozilla Thunderbird (sr)",
      "productUrl": "https://patchblox.com/security/product/windows-app/mozilla-thunderbird-sr",
      "fixedVersion": "139.0.2",
      "latestVersion": "159.0",
      "supported": true
    }
  ],
  "supersededBy": {
    "product": "Mozilla Thunderbird (sr)",
    "latestVersion": "159.0",
    "productUrl": "https://patchblox.com/security/product/windows-app/mozilla-thunderbird-sr"
  },
  "cves": [
    {
      "cveId": "CVE-2025-5986",
      "url": "https://patchblox.com/security/cve/CVE-2025-5986",
      "title": "Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00605,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T20:03:11Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}