{
  "fix": "RHSA-2025:10246",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2025-10246",
  "summary": "RHSA-2025:10246, released July 2, 2025, fixes 5 CVEs in thunderbird (version 0:128.12.0-1.el8_10). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "thunderbird security update",
  "released": "2025-07-02T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2025-6424, high severity",
  "supported": true,
  "cveCount": 5,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.07964,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2025:10246",
  "appliesTo": [
    {
      "product": "thunderbird",
      "productUrl": "https://patchblox.com/security/product/linux/thunderbird",
      "release": "RHEL 8",
      "fixedVersion": "0:128.12.0-1.el8_10",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2025-6424",
      "url": "https://patchblox.com/security/cve/CVE-2025-6424",
      "title": "Use-after-free in FontFaceSet",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.07964,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "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
    },
    {
      "cveId": "CVE-2025-6429",
      "url": "https://patchblox.com/security/cve/CVE-2025-6429",
      "title": "Incorrect parsing of URLs could have allowed embedding of youtube.com",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.00355,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-6425",
      "url": "https://patchblox.com/security/cve/CVE-2025-6425",
      "title": "The WebCompat WebExtension shipped with Firefox exposed a persistent UUID",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.0031,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-6430",
      "url": "https://patchblox.com/security/cve/CVE-2025-6430",
      "title": "Content-Disposition header ignored when a file is included in an embed or object tag",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00268,
      "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"
  }
}