{
  "fix": "RHSA-2025:7507",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2025-7507",
  "summary": "RHSA-2025:7507, released April 29, 2025, fixes 8 CVEs in thunderbird (version 128.10.0-1.el10_0). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "thunderbird security update",
  "released": "2025-04-29T13:13:50Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2025-2817, high severity",
  "supported": true,
  "cveCount": 8,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00667,
  "maxCvss": 9.1,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2025:7507",
  "appliesTo": [
    {
      "product": "thunderbird",
      "productUrl": "https://patchblox.com/security/product/linux/thunderbird",
      "release": "RHEL 10",
      "fixedVersion": "128.10.0-1.el10_0",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2025-2817",
      "url": "https://patchblox.com/security/cve/CVE-2025-2817",
      "title": "Privilege escalation in Thunderbird Updater",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00667,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-4091",
      "url": "https://patchblox.com/security/cve/CVE-2025-4091",
      "title": "Memory safety bugs fixed in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.10",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00507,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-4093",
      "url": "https://patchblox.com/security/cve/CVE-2025-4093",
      "title": "Memory safety bug fixed in Firefox ESR 128.10 and Thunderbird 128.10",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00491,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-4083",
      "url": "https://patchblox.com/security/cve/CVE-2025-4083",
      "title": "Process isolation bypass using \u0022javascript:\u0022 URI links in cross-origin frames",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.1,
      "epss": 0.00459,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-2830",
      "url": "https://patchblox.com/security/cve/CVE-2025-2830",
      "title": "Information Disclosure of /tmp directory listing",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.4,
      "epss": 0.00357,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-4087",
      "url": "https://patchblox.com/security/cve/CVE-2025-4087",
      "title": "Unsafe attribute access during XPath parsing",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00323,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-3523",
      "url": "https://patchblox.com/security/cve/CVE-2025-3523",
      "title": "User Interface (UI) Misrepresentation of attachment URL",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.4,
      "epss": 0.00319,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-3522",
      "url": "https://patchblox.com/security/cve/CVE-2025-3522",
      "title": "Leak of hashed Window credentials via crafted attachment URL",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.4,
      "epss": 0.00274,
      "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"
  }
}