{
  "fix": "firefox 134.0\u002Bbuild1-0ubuntu0.20.04.1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-134.0-build1-0ubuntu0.20.04.1",
  "summary": "firefox 134.0\u002Bbuild1-0ubuntu0.20.04.1, released January 7, 2025, fixes 8 CVEs in firefox. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "firefox 134.0\u002Bbuild1-0ubuntu0.20.04.1 for Ubuntu 20.04 LTS (focal)",
  "released": "2025-01-07T08:15:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2025-0242, high severity",
  "supported": false,
  "cveCount": 8,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.14716,
  "maxCvss": 9.8,
  "appliesTo": [
    {
      "product": "firefox",
      "productUrl": "https://patchblox.com/security/product/linux/firefox",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "134.0\u002Bbuild1-0ubuntu0.20.04.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2025-0242",
      "url": "https://patchblox.com/security/cve/CVE-2025-0242",
      "title": "Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.6",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.14716,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-0247",
      "url": "https://patchblox.com/security/cve/CVE-2025-0247",
      "title": "Memory safety bugs fixed in Firefox 134 and Thunderbird 134",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.10695,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-0241",
      "url": "https://patchblox.com/security/cve/CVE-2025-0241",
      "title": "Memory corruption when using JavaScript Text Segmentation",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.7,
      "epss": 0.00734,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-0243",
      "url": "https://patchblox.com/security/cve/CVE-2025-0243",
      "title": "Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 7.5,
      "epss": 0.0025,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-0238",
      "url": "https://patchblox.com/security/cve/CVE-2025-0238",
      "title": "Use-after-free when breaking lines in text",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 6.5,
      "epss": 0.00794,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-0240",
      "url": "https://patchblox.com/security/cve/CVE-2025-0240",
      "title": "Compartment mismatch when parsing JavaScript JSON module",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 6.5,
      "epss": 0.00673,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-0237",
      "url": "https://patchblox.com/security/cve/CVE-2025-0237",
      "title": "WebChannel APIs susceptible to confused deputy attack",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 6.8,
      "epss": 0.00598,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-0239",
      "url": "https://patchblox.com/security/cve/CVE-2025-0239",
      "title": "Alt-Svc ALPN validation failure when redirected",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 5.4,
      "epss": 0.00227,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-14T02:05:58Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}