{
  "fix": "libjavascriptcoregtk-4.0-bin 2.40.5-0ubuntu0.22.04.1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libjavascriptcoregtk-4.0-bin-2.40.5-0ubuntu0.22.04.1",
  "summary": "libjavascriptcoregtk-4.0-bin 2.40.5-0ubuntu0.22.04.1, released September 27, 2023, fixes 12 CVEs in libjavascriptcoregtk-4.0-bin. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "package",
  "title": "libjavascriptcoregtk-4.0-bin 2.40.5-0ubuntu0.22.04.1 for Ubuntu 22.04.1 LTS (jammy)",
  "released": "2023-09-27T08:19:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2023-40397, high severity",
  "supported": true,
  "cveCount": 12,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01674,
  "maxCvss": 9.8,
  "appliesTo": [
    {
      "product": "libjavascriptcoregtk-4.0-bin",
      "productUrl": "https://patchblox.com/security/product/linux/libjavascriptcoregtk-4.0-bin",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.40.5-0ubuntu0.22.04.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-40397",
      "url": "https://patchblox.com/security/cve/CVE-2023-40397",
      "title": "webkit2gtk3: ELSA-2023-6535: webkit2gtk3 security and bug fix update (IMPORTANT)",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 9.8,
      "epss": 0.01674,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-39434",
      "url": "https://patchblox.com/security/cve/CVE-2023-39434",
      "title": "webkit2gtk3: ELSA-2023-6535: webkit2gtk3 security and bug fix update (IMPORTANT)",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.0165,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-38600",
      "url": "https://patchblox.com/security/cve/CVE-2023-38600",
      "title": "webkit2gtk3: ELSA-2023-7055: webkit2gtk3 security and bug fix update (IMPORTANT)",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.0143,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-38595",
      "url": "https://patchblox.com/security/cve/CVE-2023-38595",
      "title": "webkit2gtk3: ELSA-2023-7055: webkit2gtk3 security and bug fix update (IMPORTANT)",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.01264,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-38611",
      "url": "https://patchblox.com/security/cve/CVE-2023-38611",
      "title": "webkit2gtk3: ELSA-2023-7055: webkit2gtk3 security and bug fix update (IMPORTANT)",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.01264,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-38594",
      "url": "https://patchblox.com/security/cve/CVE-2023-38594",
      "title": "webkit2gtk3: ELSA-2023-7055: webkit2gtk3 security and bug fix update (IMPORTANT)",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.01243,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-38592",
      "url": "https://patchblox.com/security/cve/CVE-2023-38592",
      "title": "webkit2gtk3-devel: ELSA-2023-7055: webkit2gtk3 security and bug fix update (IMPORTANT)",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.01211,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-38597",
      "url": "https://patchblox.com/security/cve/CVE-2023-38597",
      "title": "webkit2gtk3: ELSA-2023-7055: webkit2gtk3 security and bug fix update (IMPORTANT)",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.01211,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-38572",
      "url": "https://patchblox.com/security/cve/CVE-2023-38572",
      "title": "webkit2gtk3: ELSA-2023-6535: webkit2gtk3 security and bug fix update (IMPORTANT)",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 7.5,
      "epss": 0.01168,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-40451",
      "url": "https://patchblox.com/security/cve/CVE-2023-40451",
      "title": "webkit2gtk: This issue was addressed with improved iframe sandbox enforcement",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.01085,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-38133",
      "url": "https://patchblox.com/security/cve/CVE-2023-38133",
      "title": "webkit2gtk3: ELSA-2023-6535: webkit2gtk3 security and bug fix update (IMPORTANT)",
      "priority": "Routine",
      "severity": "IMPORTANT",
      "cvss": 6.5,
      "epss": 0.01043,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-38599",
      "url": "https://patchblox.com/security/cve/CVE-2023-38599",
      "title": "webkit2gtk3: ELSA-2023-7055: webkit2gtk3 security and bug fix update (IMPORTANT)",
      "priority": "Routine",
      "severity": "IMPORTANT",
      "cvss": 6.5,
      "epss": 0.01043,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-12T19:57:06Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}