{
  "fix": "RHSA-2023:1809",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2023-1809",
  "summary": "RHSA-2023:1809, released April 17, 2023, fixes 12 CVEs in thunderbird (version 0:102.10.0-2.el9_1). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "thunderbird security update",
  "released": "2023-04-17T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2023-28427, high severity",
  "supported": true,
  "cveCount": 12,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01185,
  "maxCvss": 8.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2023:1809",
  "appliesTo": [
    {
      "product": "thunderbird",
      "productUrl": "https://patchblox.com/security/product/linux/thunderbird",
      "release": "RHEL 9",
      "fixedVersion": "0:102.10.0-2.el9_1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-28427",
      "url": "https://patchblox.com/security/cve/CVE-2023-28427",
      "title": "thunderbird: Mozilla Thunderbird is a standalone mail and newsgroup client.\n\nThis update upgrades Thunderbird to version 102.10.0....",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.01185,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-1999",
      "url": "https://patchblox.com/security/cve/CVE-2023-1999",
      "title": "Chromium: CVE-2023-1999 Use after free in libwebp",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.00952,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29535",
      "url": "https://patchblox.com/security/cve/CVE-2023-29535",
      "title": "Mozilla Firefox and 4 others: Following a Garbage Collector compaction, weak maps may have been accessed before they were correctly\u2026",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.00747,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29541",
      "url": "https://patchblox.com/security/cve/CVE-2023-29541",
      "title": "Mozilla Firefox and 4 others: Improper Encoding or Escaping of Output",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00743,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29539",
      "url": "https://patchblox.com/security/cve/CVE-2023-29539",
      "title": "Mozilla Firefox and 4 others: When handling the filename directive in the Content-Disposition header, the filename would be truncated\u2026",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00737,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29550",
      "url": "https://patchblox.com/security/cve/CVE-2023-29550",
      "title": "Mozilla Firefox and 4 others: Memory safety bugs present in Firefox 111 and Firefox ESR 102.9.",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00708,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29536",
      "url": "https://patchblox.com/security/cve/CVE-2023-29536",
      "title": "Mozilla Firefox and 4 others: An attacker could cause the memory manager to incorrectly free a pointer that addresses attacker-controlled\u2026",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00702,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29533",
      "url": "https://patchblox.com/security/cve/CVE-2023-29533",
      "title": "Mozilla Firefox and 4 others: A website could have obscured the fullscreen notification by using a combination of \u003Ccode\u003Ewindow.open\u003C/code\u003E,\u2026",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.00569,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-0547",
      "url": "https://patchblox.com/security/cve/CVE-2023-0547",
      "title": "Mozilla Thunderbird and 1 other: Improper Certificate Validation",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00372,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29479",
      "url": "https://patchblox.com/security/cve/CVE-2023-29479",
      "title": "xul-ext-lightning: Ribose RNP before 0.16.3 may hang when the input is malformed.",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 6.5,
      "epss": 0.00901,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29548",
      "url": "https://patchblox.com/security/cve/CVE-2023-29548",
      "title": "Mozilla Firefox and 4 others: A wrong lowering instruction in the ARM64 Ion compiler resulted in a wrong optimization result.",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00695,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-1945",
      "url": "https://patchblox.com/security/cve/CVE-2023-1945",
      "title": "Mozilla Thunderbird and 1 other: Out-of-bounds Write",
      "priority": "Routine",
      "severity": "important",
      "cvss": 6.5,
      "epss": 0.00644,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}