{
  "fix": "OPENSUSE-SU-2026:22139-1",
  "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-22139-1",
  "summary": "OPENSUSE-SU-2026:22139-1, released November 7, 2026, fixes 85 CVEs in MozillaFirefox (version 153.5.0-160000.1.1). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "MozillaFirefox security update",
  "released": "2026-11-07T00:47:19Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-109745, rated Critical",
  "supported": true,
  "cveCount": 85,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00742,
  "maxCvss": 9.6,
  "vendorAdvisory": "https://osv.dev/vulnerability/openSUSE-SU-2026:22139-1",
  "appliesTo": [
    {
      "product": "MozillaFirefox",
      "productUrl": "https://patchblox.com/security/product/linux/mozillafirefox",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "153.5.0-160000.1.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-109745",
      "url": "https://patchblox.com/security/cve/CVE-2026-109745",
      "title": "firefox-esr: Sandbox escape due to uninitialized memory in the DOM: Web Serial component",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.6,
      "epss": 0.00349,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109708",
      "url": "https://patchblox.com/security/cve/CVE-2026-109708",
      "title": "firefox-esr: Sandbox escape due to incorrect boundary conditions in the Networking component",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.6,
      "epss": 0.00334,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109705",
      "url": "https://patchblox.com/security/cve/CVE-2026-109705",
      "title": "thunderbird: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.6,
      "epss": 0.00325,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109707",
      "url": "https://patchblox.com/security/cve/CVE-2026-109707",
      "title": "firefox-esr: Sandbox escape due to use-after-free in the Networking component",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.6,
      "epss": 0.00325,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-66046",
      "url": "https://patchblox.com/security/cve/CVE-2026-66046",
      "title": "Expat Denial of Service via storeAtts() Quadratic Complexity",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00742,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-45186",
      "url": "https://patchblox.com/security/cve/CVE-2026-45186",
      "title": "In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input.",
      "priority": "High",
      "severity": "Low",
      "cvss": 8.2,
      "epss": 0.00479,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109733",
      "url": "https://patchblox.com/security/cve/CVE-2026-109733",
      "title": "thunderbird: JIT miscompilation in the JavaScript Engine: JIT component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00462,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109704",
      "url": "https://patchblox.com/security/cve/CVE-2026-109704",
      "title": "firefox: Privilege escalation in the Application Update component",
      "priority": "High",
      "severity": "important",
      "cvss": 8.2,
      "epss": 0.00409,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-93990",
      "url": "https://patchblox.com/security/cve/CVE-2026-93990",
      "title": "Expat through 2.8.4 Malformed UTF-16 Acceptance via Unchecked Surrogate",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00403,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109730",
      "url": "https://patchblox.com/security/cve/CVE-2026-109730",
      "title": "thunderbird: Integer overflow in the Graphics component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00365,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109743",
      "url": "https://patchblox.com/security/cve/CVE-2026-109743",
      "title": "thunderbird: Privilege escalation in the Panning and Zooming component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00351,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109762",
      "url": "https://patchblox.com/security/cve/CVE-2026-109762",
      "title": "firefox-esr: Incorrect boundary conditions in the SVG component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00349,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109740",
      "url": "https://patchblox.com/security/cve/CVE-2026-109740",
      "title": "firefox: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.\n\nSecu...",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.2,
      "epss": 0.00349,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109753",
      "url": "https://patchblox.com/security/cve/CVE-2026-109753",
      "title": "thunderbird: Incorrect boundary conditions in the Layout component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.00343,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109734",
      "url": "https://patchblox.com/security/cve/CVE-2026-109734",
      "title": "firefox-esr: Mitigation bypass in the DOM: Security component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.0034,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109737",
      "url": "https://patchblox.com/security/cve/CVE-2026-109737",
      "title": "firefox-esr: Mitigation bypass in the Enterprise Policies component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.0034,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109760",
      "url": "https://patchblox.com/security/cve/CVE-2026-109760",
      "title": "firefox-esr: Mitigation bypass in the Networking: HTTP component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.0034,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109766",
      "url": "https://patchblox.com/security/cve/CVE-2026-109766",
      "title": "thunderbird: Mitigation bypass in the Enterprise Policies component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.0034,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109709",
      "url": "https://patchblox.com/security/cve/CVE-2026-109709",
      "title": "thunderbird: Information disclosure, privilege escalation in the Security: Process Sandboxing component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00326,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109736",
      "url": "https://patchblox.com/security/cve/CVE-2026-109736",
      "title": "firefox-esr: Frame poisoning in the Layout component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.00324,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109744",
      "url": "https://patchblox.com/security/cve/CVE-2026-109744",
      "title": "firefox-esr: Other issue in the DOM: File component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.00324,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109754",
      "url": "https://patchblox.com/security/cve/CVE-2026-109754",
      "title": "firefox-esr: Incorrect boundary conditions in the DOM: Editor component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.00324,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109756",
      "url": "https://patchblox.com/security/cve/CVE-2026-109756",
      "title": "thunderbird: Privilege escalation in the DOM: Navigation component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00323,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109715",
      "url": "https://patchblox.com/security/cve/CVE-2026-109715",
      "title": "firefox-esr: Incorrect boundary conditions in the JavaScript Engine component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00314,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109716",
      "url": "https://patchblox.com/security/cve/CVE-2026-109716",
      "title": "firefox-esr: Incorrect boundary conditions in the JavaScript Engine component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00314,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109722",
      "url": "https://patchblox.com/security/cve/CVE-2026-109722",
      "title": "firefox-esr: JIT miscompilation in the JavaScript Engine: JIT component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00314,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-76956",
      "url": "https://patchblox.com/security/cve/CVE-2026-76956",
      "title": "In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy\u0027s return code leads to insufficient entropy, which results in being vulnerable to hash flooding attacks, causing a denial of service via crafted XML content.",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.00287,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109778",
      "url": "https://patchblox.com/security/cve/CVE-2026-109778",
      "title": "thunderbird: Privilege escalation in the WebExtensions component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.0028,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109721",
      "url": "https://patchblox.com/security/cve/CVE-2026-109721",
      "title": "firefox-esr: Incorrect boundary conditions in the JavaScript Engine: JIT component",
      "priority": "High",
      "severity": "medium",
      "cvss": 8.8,
      "epss": 0.00278,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109782",
      "url": "https://patchblox.com/security/cve/CVE-2026-109782",
      "title": "firefox-esr: Mitigation bypass in the File Handling component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.3,
      "epss": 0.00273,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109783",
      "url": "https://patchblox.com/security/cve/CVE-2026-109783",
      "title": "firefox-esr: Mitigation bypass in the File Handling component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.3,
      "epss": 0.00273,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109720",
      "url": "https://patchblox.com/security/cve/CVE-2026-109720",
      "title": "firefox-esr: JIT miscompilation in the JavaScript: WebAssembly component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00264,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109742",
      "url": "https://patchblox.com/security/cve/CVE-2026-109742",
      "title": "thunderbird: Information disclosure in the PDF Viewer component",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.0026,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109751",
      "url": "https://patchblox.com/security/cve/CVE-2026-109751",
      "title": "thunderbird: Information disclosure in the Networking component",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.0026,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109757",
      "url": "https://patchblox.com/security/cve/CVE-2026-109757",
      "title": "thunderbird: Sandbox escape due to race condition in the Networking component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.3,
      "epss": 0.00258,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109763",
      "url": "https://patchblox.com/security/cve/CVE-2026-109763",
      "title": "thunderbird: Mitigation bypass in the File Handling component",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.00248,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109775",
      "url": "https://patchblox.com/security/cve/CVE-2026-109775",
      "title": "thunderbird: Denial-of-service in the WebRTC component",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.00246,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109781",
      "url": "https://patchblox.com/security/cve/CVE-2026-109781",
      "title": "thunderbird: Denial-of-service in the Printing: Output component",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.00246,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109729",
      "url": "https://patchblox.com/security/cve/CVE-2026-109729",
      "title": "thunderbird: Use-after-free in the JavaScript Engine: JIT component",
      "priority": "High",
      "severity": "medium",
      "cvss": 8.2,
      "epss": 0.00242,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109732",
      "url": "https://patchblox.com/security/cve/CVE-2026-109732",
      "title": "thunderbird: Use-after-free in the DOM: Streams component",
      "priority": "High",
      "severity": "medium",
      "cvss": 8.2,
      "epss": 0.00242,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109764",
      "url": "https://patchblox.com/security/cve/CVE-2026-109764",
      "title": "firefox-esr: Mitigation bypass in the Enterprise Policies component",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.00235,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109752",
      "url": "https://patchblox.com/security/cve/CVE-2026-109752",
      "title": "thunderbird: Use-after-free in the DOM: Workers component",
      "priority": "High",
      "severity": "medium",
      "cvss": 8.8,
      "epss": 0.00231,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109731",
      "url": "https://patchblox.com/security/cve/CVE-2026-109731",
      "title": "firefox-esr: Incorrect boundary conditions in the Graphics: Canvas2D component",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.00231,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109738",
      "url": "https://patchblox.com/security/cve/CVE-2026-109738",
      "title": "thunderbird: Use-after-free in the Audio/Video: Playback component",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.00231,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109741",
      "url": "https://patchblox.com/security/cve/CVE-2026-109741",
      "title": "thunderbird: Use-after-free in the Storage: Bucket File System component",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.00231,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109718",
      "url": "https://patchblox.com/security/cve/CVE-2026-109718",
      "title": "thunderbird: Use-after-free in the XML component",
      "priority": "High",
      "severity": "medium",
      "cvss": 8.8,
      "epss": 0.00228,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109725",
      "url": "https://patchblox.com/security/cve/CVE-2026-109725",
      "title": "thunderbird: Use-after-free in the DOM: Core \u0026 HTML component",
      "priority": "High",
      "severity": "medium",
      "cvss": 8.8,
      "epss": 0.00228,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109728",
      "url": "https://patchblox.com/security/cve/CVE-2026-109728",
      "title": "thunderbird: Use-after-free in the DOM: Animation component",
      "priority": "High",
      "severity": "medium",
      "cvss": 8.8,
      "epss": 0.00228,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109706",
      "url": "https://patchblox.com/security/cve/CVE-2026-109706",
      "title": "thunderbird: Use-after-free in the Storage: IndexedDB component",
      "priority": "High",
      "severity": "medium",
      "cvss": 8.2,
      "epss": 0.00228,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109726",
      "url": "https://patchblox.com/security/cve/CVE-2026-109726",
      "title": "thunderbird: Use-after-free in the SVG component",
      "priority": "High",
      "severity": "medium",
      "cvss": 8.2,
      "epss": 0.00228,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109727",
      "url": "https://patchblox.com/security/cve/CVE-2026-109727",
      "title": "thunderbird: Use-after-free in the Audio/Video component",
      "priority": "High",
      "severity": "medium",
      "cvss": 8.2,
      "epss": 0.00228,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109710",
      "url": "https://patchblox.com/security/cve/CVE-2026-109710",
      "title": "thunderbird: Use-after-free in the Graphics: Text component",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.00228,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109712",
      "url": "https://patchblox.com/security/cve/CVE-2026-109712",
      "title": "firefox-esr: Sandbox escape due to uninitialized memory in the Graphics component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00224,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109711",
      "url": "https://patchblox.com/security/cve/CVE-2026-109711",
      "title": "thunderbird: Use-after-free in the Graphics: Canvas2D component",
      "priority": "High",
      "severity": "medium",
      "cvss": 8.8,
      "epss": 0.00217,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109713",
      "url": "https://patchblox.com/security/cve/CVE-2026-109713",
      "title": "thunderbird: Use-after-free in the Crash Reporting component",
      "priority": "High",
      "severity": "medium",
      "cvss": 8.8,
      "epss": 0.00217,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109723",
      "url": "https://patchblox.com/security/cve/CVE-2026-109723",
      "title": "thunderbird: Integer overflow in the Layout: Text and Fonts component",
      "priority": "High",
      "severity": "medium",
      "cvss": 8.8,
      "epss": 0.00217,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109724",
      "url": "https://patchblox.com/security/cve/CVE-2026-109724",
      "title": "thunderbird: Use-after-free in the DOM: Core \u0026 HTML component",
      "priority": "High",
      "severity": "medium",
      "cvss": 8.8,
      "epss": 0.00217,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109717",
      "url": "https://patchblox.com/security/cve/CVE-2026-109717",
      "title": "thunderbird: Use-after-free in the DOM: Bindings (WebIDL) component",
      "priority": "High",
      "severity": "medium",
      "cvss": 8.2,
      "epss": 0.00217,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109767",
      "url": "https://patchblox.com/security/cve/CVE-2026-109767",
      "title": "thunderbird: Information disclosure in the Networking component",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.0021,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109777",
      "url": "https://patchblox.com/security/cve/CVE-2026-109777",
      "title": "thunderbird: Information disclosure in the Storage: IndexedDB component",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.0021,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109770",
      "url": "https://patchblox.com/security/cve/CVE-2026-109770",
      "title": "thunderbird: Spoofing issue in the DOM: Web Serial component",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.00186,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109759",
      "url": "https://patchblox.com/security/cve/CVE-2026-109759",
      "title": "firefox-esr: Site isolation issue in the Networking component",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.00178,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109765",
      "url": "https://patchblox.com/security/cve/CVE-2026-109765",
      "title": "thunderbird: Race condition, use-after-free in the Graphics: Text component",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.00174,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109719",
      "url": "https://patchblox.com/security/cve/CVE-2026-109719",
      "title": "thunderbird: Race condition, use-after-free in the Graphics: CanvasWebGL component",
      "priority": "High",
      "severity": "medium",
      "cvss": 8.2,
      "epss": 0.00172,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-109776",
      "url": "https://patchblox.com/security/cve/CVE-2026-109776",
      "title": "thunderbird: Race condition in the XPCOM component",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.00145,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-76957",
      "url": "https://patchblox.com/security/cve/CVE-2026-76957",
      "title": "libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOTE: this is similar to CVE-2026-50219, CVE-2026-56131 and CVE-2026-56412.",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00107,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-41080",
      "url": "https://patchblox.com/security/cve/CVE-2026-41080",
      "title": "expat: libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.",
      "priority": "Routine",
      "severity": "low",
      "cvss": 2.9,
      "epss": 0.00398,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-76641",
      "url": "https://patchblox.com/security/cve/CVE-2026-76641",
      "title": "expat: Expat through 2.8.3 contains an out-of-bounds read vulnerability that allows attackers to trigger memory corruption b...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00353,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-32777",
      "url": "https://patchblox.com/security/cve/CVE-2026-32777",
      "title": "libexpat before 2.7.5 allows an infinite loop while parsing DTD content.",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 5.5,
      "epss": 0.00225,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-72522",
      "url": "https://patchblox.com/security/cve/CVE-2026-72522",
      "title": "libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as high surrogates during Unicode processing in the *_toUtf16 functions.",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.2,
      "epss": 0.00191,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-50219",
      "url": "https://patchblox.com/security/cve/CVE-2026-50219",
      "title": "libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_GetBuffer, XML_Parse, XML_ParseBuffer, XML_ParserFree, or XML_ParserReset from within handlers in cases of a policy violation. Thus, a use-after-free can occur,",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 6.9,
      "epss": 0.00181,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56412",
      "url": "https://patchblox.com/security/cve/CVE-2026-56412",
      "title": "libexpat before 2.8.2 does not consider XML_TOK_DATA_CHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in cases of a policy violation. Thus, a use-after-free can occur. NOTE: this issue exists because of an incomplete fix for CVE-2026-50219.",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.9,
      "epss": 0.00179,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-32778",
      "url": "https://patchblox.com/security/cve/CVE-2026-32778",
      "title": "libexpat before 2.7.5 allows a NULL pointer dereference in the function setContext on retry after an earlier ouf-of-memory condition.",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 5.5,
      "epss": 0.00177,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56131",
      "url": "https://patchblox.com/security/cve/CVE-2026-56131",
      "title": "libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_ResumeParser from within handlers in cases of a policy violation. Thus, a use-after-free can occur (similar to the CVE-2026-50219 situation).",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 4.9,
      "epss": 0.00175,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56406",
      "url": "https://patchblox.com/security/cve/CVE-2026-56406",
      "title": "libexpat before 2.8.2 has an integer overflow in XML_ParseBuffer because it lacked a check that was present in XML_Parse.",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.9,
      "epss": 0.00174,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56407",
      "url": "https://patchblox.com/security/cve/CVE-2026-56407",
      "title": "libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen.",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.9,
      "epss": 0.00174,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-32776",
      "url": "https://patchblox.com/security/cve/CVE-2026-32776",
      "title": "libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00171,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56403",
      "url": "https://patchblox.com/security/cve/CVE-2026-56403",
      "title": "libexpat before 2.8.2 has an integer overflow in storeAtts.",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.9,
      "epss": 0.00168,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56132",
      "url": "https://patchblox.com/security/cve/CVE-2026-56132",
      "title": "In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers.",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.9,
      "epss": 0.00135,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56404",
      "url": "https://patchblox.com/security/cve/CVE-2026-56404",
      "title": "libexpat before 2.8.2 has an integer overflow in addBinding.",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.9,
      "epss": 0.0013,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56410",
      "url": "https://patchblox.com/security/cve/CVE-2026-56410",
      "title": "xmlwf in libexpat before 2.8.2 has an integer overflow in resolveSystemId.",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.9,
      "epss": 0.00129,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56411",
      "url": "https://patchblox.com/security/cve/CVE-2026-56411",
      "title": "xmlwf in libexpat before 2.8.2 has an integer overflow in endDoctypeDecl via NOTATION declarations.",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.9,
      "epss": 0.00129,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56405",
      "url": "https://patchblox.com/security/cve/CVE-2026-56405",
      "title": "libexpat before 2.8.2 has an integer overflow in getAttributeId.",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.9,
      "epss": 0.00125,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56408",
      "url": "https://patchblox.com/security/cve/CVE-2026-56408",
      "title": "expat: libexpat before 2.8.2 has an integer overflow in copyString.",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.9,
      "epss": 0.00125,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56409",
      "url": "https://patchblox.com/security/cve/CVE-2026-56409",
      "title": "xmlwf in libexpat before 2.8.2 has an integer overflow for the output filename when -d outputDir is used.",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.5,
      "epss": 0.00119,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T20:03:11Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}