{
  "fix": "RHSA-2021:2264",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2021-2264",
  "summary": "RHSA-2021:2264, released June 7, 2021, fixes 3 CVEs in thunderbird (version 0:78.11.0-1.el8_4). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "thunderbird security update",
  "released": "2021-06-07T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2021-29967, high severity",
  "supported": true,
  "cveCount": 3,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01368,
  "maxCvss": 8.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2021:2264",
  "appliesTo": [
    {
      "product": "thunderbird",
      "productUrl": "https://patchblox.com/security/product/linux/thunderbird",
      "release": "RHEL 8",
      "fixedVersion": "0:78.11.0-1.el8_4",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-29967",
      "url": "https://patchblox.com/security/cve/CVE-2021-29967",
      "title": "Firefox ESR and 3 others: Mozilla developers reported memory safety bugs present in Firefox 88 and Firefox ESR 78.11.",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.01368,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-29957",
      "url": "https://patchblox.com/security/cve/CVE-2021-29957",
      "title": "Thunderbird and 1 other: If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains\u2026",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.3,
      "epss": 0.0094,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-29956",
      "url": "https://patchblox.com/security/cve/CVE-2021-29956",
      "title": "Mozilla Thunderbird: OpenPGP secret keys that were imported using Thunderbird version 78.8.1 up to version 78.10.1 were stored\u2026",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.3,
      "epss": 0.0081,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}