{
  "fix": "RHSA-2025:16156",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2025-16156",
  "summary": "RHSA-2025:16156, released September 18, 2025, fixes 8 CVEs in thunderbird (version 0:140.3.0-1.el9_6). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "thunderbird security update",
  "released": "2025-09-18T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2025-10533, high severity",
  "supported": true,
  "cveCount": 8,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00781,
  "maxCvss": 8.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2025:16156",
  "appliesTo": [
    {
      "product": "thunderbird",
      "productUrl": "https://patchblox.com/security/product/linux/thunderbird",
      "release": "RHEL 9",
      "fixedVersion": "0:140.3.0-1.el9_6",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2025-10533",
      "url": "https://patchblox.com/security/cve/CVE-2025-10533",
      "title": "Integer overflow in the SVG component",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00781,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-10528",
      "url": "https://patchblox.com/security/cve/CVE-2025-10528",
      "title": "Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.0037,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-10537",
      "url": "https://patchblox.com/security/cve/CVE-2025-10537",
      "title": "Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00339,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-10532",
      "url": "https://patchblox.com/security/cve/CVE-2025-10532",
      "title": "Incorrect boundary conditions in the JavaScript: GC component",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.00328,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-10529",
      "url": "https://patchblox.com/security/cve/CVE-2025-10529",
      "title": "Same-origin policy bypass in the Layout component",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.00317,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-10527",
      "url": "https://patchblox.com/security/cve/CVE-2025-10527",
      "title": "Sandbox escape due to use-after-free in the Graphics: Canvas2D component",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.0029,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-12224",
      "url": "https://patchblox.com/security/cve/CVE-2024-12224",
      "title": "aws-nitro-enclaves-cli: This update for aws-nitro-enclaves-cli fixes the following issues:\n\n- Fix idna accepts Punycode labels that \n  do not...",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.0023,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-10536",
      "url": "https://patchblox.com/security/cve/CVE-2025-10536",
      "title": "Information disclosure in the Networking: Cache component",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.00175,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}