{
  "fix": "RLSA-2026:42062",
  "url": "https://patchblox.com/security/fix/linux/rlsa-2026-42062",
  "summary": "RLSA-2026:42062, released July 22, 2026, fixes 23 CVEs in webkit2gtk3 (version 0:2.52.5-1.el9_8). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "webkit2gtk3 security update",
  "released": "2026-07-22T12:03:41Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2024-4367, high severity",
  "supported": true,
  "cveCount": 23,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.7066,
  "maxCvss": 9.6,
  "vendorAdvisory": "https://errata.rockylinux.org/RLSA-2026:42062",
  "appliesTo": [
    {
      "product": "webkit2gtk3",
      "productUrl": "https://patchblox.com/security/product/linux/webkit2gtk3",
      "release": "rocky 9",
      "fixedVersion": "0:2.52.5-1.el9_8",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2024-4367",
      "url": "https://patchblox.com/security/cve/CVE-2024-4367",
      "title": "Mozilla Firefox ESR and 6 others: Improper Check for Unusual or Exceptional Conditions",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.7066,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43715",
      "url": "https://patchblox.com/security/cve/CVE-2026-43715",
      "title": "webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.\n\nSecurity Fix(es):\n\n* Mozilla:...",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.01257,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43725",
      "url": "https://patchblox.com/security/cve/CVE-2026-43725",
      "title": "WebKit: A malicious website may be able to process restricted web content outside the sandbox",
      "priority": "High",
      "severity": "HIGH",
      "cvss": 9.6,
      "epss": 0.00912,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43707",
      "url": "https://patchblox.com/security/cve/CVE-2026-43707",
      "title": "WebKit: Processing maliciously crafted web content may lead to an unexpected process crash",
      "priority": "High",
      "severity": "MEDIUM",
      "cvss": 9.6,
      "epss": 0.00686,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43745",
      "url": "https://patchblox.com/security/cve/CVE-2026-43745",
      "title": "WebKit: Processing maliciously crafted web content may lead to an unexpected Safari crash",
      "priority": "High",
      "severity": "MEDIUM",
      "cvss": 9.6,
      "epss": 0.00679,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43720",
      "url": "https://patchblox.com/security/cve/CVE-2026-43720",
      "title": "WebKit Canvas: Processing maliciously crafted web content may lead to an unexpected Safari crash",
      "priority": "High",
      "severity": "MEDIUM",
      "cvss": 9.6,
      "epss": 0.0066,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43716",
      "url": "https://patchblox.com/security/cve/CVE-2026-43716",
      "title": "WebKit: Processing maliciously crafted web content may lead to an unexpected Safari crash",
      "priority": "High",
      "severity": "MEDIUM",
      "cvss": 9.6,
      "epss": 0.00598,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43701",
      "url": "https://patchblox.com/security/cve/CVE-2026-43701",
      "title": "WebKit: A malicious website may be able to process restricted web content outside the sandbox",
      "priority": "High",
      "severity": "HIGH",
      "cvss": 9.6,
      "epss": 0.00551,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43713",
      "url": "https://patchblox.com/security/cve/CVE-2026-43713",
      "title": "WebKit: Visiting a website may leak sensitive data",
      "priority": "High",
      "severity": "MEDIUM",
      "cvss": 9.6,
      "epss": 0.00529,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43732",
      "url": "https://patchblox.com/security/cve/CVE-2026-43732",
      "title": "WebKit: Processing maliciously crafted web content may disclose sensitive user information",
      "priority": "High",
      "severity": "MEDIUM",
      "cvss": 9.6,
      "epss": 0.0048,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43676",
      "url": "https://patchblox.com/security/cve/CVE-2026-43676",
      "title": "WebKit: Processing maliciously crafted web content may lead to an unexpected Safari crash",
      "priority": "High",
      "severity": "MEDIUM",
      "cvss": 9.6,
      "epss": 0.00469,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43721",
      "url": "https://patchblox.com/security/cve/CVE-2026-43721",
      "title": "WebKit Storage: A malicious website may be able to silently hijack clipboard data",
      "priority": "High",
      "severity": "MEDIUM",
      "cvss": 9.6,
      "epss": 0.00437,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43712",
      "url": "https://patchblox.com/security/cve/CVE-2026-43712",
      "title": "webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.\n\nSecurity Fix(es):\n\n* Mozilla:...",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00427,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43705",
      "url": "https://patchblox.com/security/cve/CVE-2026-43705",
      "title": "WebKit: Processing maliciously crafted web content may lead to memory corruption",
      "priority": "High",
      "severity": "HIGH",
      "cvss": 8.8,
      "epss": 0.00422,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43731",
      "url": "https://patchblox.com/security/cve/CVE-2026-43731",
      "title": "WebKit: Processing maliciously crafted web content may lead to memory corruption",
      "priority": "High",
      "severity": "HIGH",
      "cvss": 9.6,
      "epss": 0.00405,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43740",
      "url": "https://patchblox.com/security/cve/CVE-2026-43740",
      "title": "WebKit: Processing maliciously crafted web content may result in the disclosure of process memory",
      "priority": "High",
      "severity": "MEDIUM",
      "cvss": 9.6,
      "epss": 0.00399,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43699",
      "url": "https://patchblox.com/security/cve/CVE-2026-43699",
      "title": "webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.\n\nSecurity Fix(es):\n\n* Mozilla:...",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00393,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43734",
      "url": "https://patchblox.com/security/cve/CVE-2026-43734",
      "title": "WebKit: Processing maliciously crafted web content may lead to an unexpected process crash",
      "priority": "High",
      "severity": "MEDIUM",
      "cvss": 9.6,
      "epss": 0.00393,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43742",
      "url": "https://patchblox.com/security/cve/CVE-2026-43742",
      "title": "webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.\n\nSecurity Fix(es):\n\n* Mozilla:...",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00393,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-39872",
      "url": "https://patchblox.com/security/cve/CVE-2026-39872",
      "title": "webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.\n\nSecurity Fix(es):\n\n* Mozilla:...",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00368,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43663",
      "url": "https://patchblox.com/security/cve/CVE-2026-43663",
      "title": "WebKit: Processing maliciously crafted web content may lead to an unexpected process crash",
      "priority": "High",
      "severity": "MEDIUM",
      "cvss": 9.6,
      "epss": 0.00368,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43726",
      "url": "https://patchblox.com/security/cve/CVE-2026-43726",
      "title": "webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.\n\nSecurity Fix(es):\n\n* Mozilla:...",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.6,
      "epss": 0.00358,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43727",
      "url": "https://patchblox.com/security/cve/CVE-2026-43727",
      "title": "WebKit: Processing maliciously crafted web content may lead to an unexpected Safari crash",
      "priority": "High",
      "severity": "MEDIUM",
      "cvss": 9.6,
      "epss": 0.0035,
      "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"
  }
}