{
  "fix": "Mozilla Thunderbird ESR (ca) 128.8.0",
  "url": "https://patchblox.com/security/fix/windows-app/mozilla.thunderbird.esr.ca-128.8.0",
  "summary": "Mozilla Thunderbird ESR (ca) 128.8.0, released March 5, 2025, fixes 10 CVEs in Mozilla Thunderbird ESR (ca). None of them is reported as exploited. Patch Radar priority: High. The latest Mozilla Thunderbird ESR (ca) is 153.7.0, which also fixes every one of these CVEs.",
  "platform": "windows-app",
  "type": "app-version",
  "title": "Mozilla Thunderbird ESR (ca) 128.8.0",
  "released": "2025-03-05T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2025-1937, high severity",
  "supported": true,
  "cveCount": 10,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00562,
  "maxCvss": 8.8,
  "appliesTo": [
    {
      "product": "Mozilla Thunderbird ESR (ca)",
      "productUrl": "https://patchblox.com/security/product/windows-app/mozilla-thunderbird-esr-ca",
      "fixedVersion": "128.8.0",
      "latestVersion": "153.7.0",
      "supported": true
    }
  ],
  "supersededBy": {
    "product": "Mozilla Thunderbird ESR (ca)",
    "latestVersion": "153.7.0",
    "productUrl": "https://patchblox.com/security/product/windows-app/mozilla-thunderbird-esr-ca"
  },
  "cves": [
    {
      "cveId": "CVE-2025-1937",
      "url": "https://patchblox.com/security/cve/CVE-2025-1937",
      "title": "Memory safety bugs fixed in Firefox 136, Thunderbird 136, Firefox ESR 115.21, Firefox ESR 128.8, and Thunderbird 128.8",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00562,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-1931",
      "url": "https://patchblox.com/security/cve/CVE-2025-1931",
      "title": "Use-after-free in WebTransportChild",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00538,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-3030",
      "url": "https://patchblox.com/security/cve/CVE-2025-3030",
      "title": "Memory safety bugs fixed in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00513,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-1934",
      "url": "https://patchblox.com/security/cve/CVE-2025-1934",
      "title": "Unexpected GC during RegExp bailout processing",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00453,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-1936",
      "url": "https://patchblox.com/security/cve/CVE-2025-1936",
      "title": "Adding %00 and a fake extension to a jar: URL changed the interpretation of the contents",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00447,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-1932",
      "url": "https://patchblox.com/security/cve/CVE-2025-1932",
      "title": "Inconsistent comparator in XSLT sorting led to out-of-bounds access",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00423,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-26696",
      "url": "https://patchblox.com/security/cve/CVE-2025-26696",
      "title": "Crafted email message incorrectly shown as being encrypted",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7,
      "epss": 0.00356,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-1935",
      "url": "https://patchblox.com/security/cve/CVE-2025-1935",
      "title": "Clickjacking the registerProtocolHandler info-bar",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00343,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-1933",
      "url": "https://patchblox.com/security/cve/CVE-2025-1933",
      "title": "JIT corruption of WASM i32 return values on 64-bit CPUs",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00319,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-26695",
      "url": "https://patchblox.com/security/cve/CVE-2025-26695",
      "title": "Downloading of OpenPGP keys from WKD used incorrect padding",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 5.3,
      "epss": 0.00156,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-11T13:47:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}