{
  "fix": "Mozilla Thunderbird (en-US) 91.6.0",
  "url": "https://patchblox.com/security/fix/windows-app/mozilla.thunderbird-91.6.0",
  "summary": "Mozilla Thunderbird (en-US) 91.6.0, released February 8, 2022, fixes 8 CVEs in Mozilla Thunderbird (en-US). None of them is reported as exploited. Patch Radar priority: High. The latest Mozilla Thunderbird (en-US) is 159.0, which also fixes every one of these CVEs.",
  "platform": "windows-app",
  "type": "app-version",
  "title": "Mozilla Thunderbird (en-US) 91.6.0",
  "released": "2022-02-08T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2022-22756, high severity",
  "supported": true,
  "cveCount": 8,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00963,
  "maxCvss": 9.6,
  "appliesTo": [
    {
      "product": "Mozilla Thunderbird (en-US)",
      "productUrl": "https://patchblox.com/security/product/windows-app/mozilla-thunderbird-en-us",
      "fixedVersion": "91.6.0",
      "latestVersion": "159.0",
      "supported": true
    }
  ],
  "supersededBy": {
    "product": "Mozilla Thunderbird (en-US)",
    "latestVersion": "159.0",
    "productUrl": "https://patchblox.com/security/product/windows-app/mozilla-thunderbird-en-us"
  },
  "cves": [
    {
      "cveId": "CVE-2022-22756",
      "url": "https://patchblox.com/security/cve/CVE-2022-22756",
      "title": "Mozilla Firefox ESR and 4 others: Improper Control of Generation of Code (\u0027Code Injection\u0027)",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00963,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-22760",
      "url": "https://patchblox.com/security/cve/CVE-2022-22760",
      "title": "Mozilla Firefox ESR and 4 others: Generation of Error Message Containing Sensitive Information",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00809,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-22759",
      "url": "https://patchblox.com/security/cve/CVE-2022-22759",
      "title": "Mozilla Firefox ESR and 4 others: Protection Mechanism Failure",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00785,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-22761",
      "url": "https://patchblox.com/security/cve/CVE-2022-22761",
      "title": "Mozilla Firefox ESR and 4 others: Protection Mechanism Failure",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.6,
      "epss": 0.00785,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-22764",
      "url": "https://patchblox.com/security/cve/CVE-2022-22764",
      "title": "Mozilla Firefox ESR and 4 others: Out-of-bounds Write",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00749,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-22754",
      "url": "https://patchblox.com/security/cve/CVE-2022-22754",
      "title": "Mozilla Firefox ESR and 4 others: Incorrect Authorization",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00669,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-22753",
      "url": "https://patchblox.com/security/cve/CVE-2022-22753",
      "title": "Mozilla Firefox ESR and 4 others: Time-of-check Time-of-use (TOCTOU) Race Condition",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00651,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-22763",
      "url": "https://patchblox.com/security/cve/CVE-2022-22763",
      "title": "Mozilla Firefox ESR and 3 others: Concurrent Execution using Shared Resource with Improper Synchronization (\u0027Race Condition\u0027)",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00596,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T07:50:38Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}