{
  "fix": "RLSA-2026:84574",
  "url": "https://patchblox.com/security/fix/linux/rlsa-2026-84574",
  "summary": "RLSA-2026:84574, released November 7, 2026, fixes 5 CVEs in xorg-x11-server (version 0:1.20.11-34.el9_8.5). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "xorg-x11-server security update",
  "released": "2026-11-07T00:39:57Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-93520, high severity",
  "supported": true,
  "cveCount": 5,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00202,
  "maxCvss": 7.8,
  "vendorAdvisory": "https://errata.rockylinux.org/RLSA-2026:84574",
  "appliesTo": [
    {
      "product": "xorg-x11-server",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server",
      "release": "rocky 9",
      "fixedVersion": "0:1.20.11-34.el9_8.5",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-93518",
      "url": "https://patchblox.com/security/cve/CVE-2026-93518",
      "title": "X.Org Server XKB ResizeKeyType Numeric Truncation",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00202,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-93519",
      "url": "https://patchblox.com/security/cve/CVE-2026-93519",
      "title": "X.Org Server XFixes Pointer Barrier Event List Buffer Overflow",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00202,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-93520",
      "url": "https://patchblox.com/security/cve/CVE-2026-93520",
      "title": "X.Org Server XKB ChangeKeycodeRange Heap Out-of-Bounds Write",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00202,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-93517",
      "url": "https://patchblox.com/security/cve/CVE-2026-93517",
      "title": "X.Org Server GLX RenderLarge Heap Buffer Overflow",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00193,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-93516",
      "url": "https://patchblox.com/security/cve/CVE-2026-93516",
      "title": ".Org Server XInput Passive Grab Use-After-Free",
      "priority": "High",
      "severity": "important",
      "cvss": 7.8,
      "epss": 0.00192,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}