{
  "fix": "RHSA-2026:38488",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-38488",
  "summary": "RHSA-2026:38488, released July 13, 2026, fixes 1 CVE in xorg-x11-server-Xwayland (version 0:21.1.3-20.el8_10.3). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "xorg-x11-server-Xwayland security update",
  "released": "2026-07-13T16:21:15Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-55999, high severity",
  "supported": true,
  "cveCount": 1,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00333,
  "maxCvss": 7.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:38488",
  "appliesTo": [
    {
      "product": "xorg-x11-server-Xwayland",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xwayland",
      "release": "RHEL 8",
      "fixedVersion": "0:21.1.3-20.el8_10.3",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-55999",
      "url": "https://patchblox.com/security/cve/CVE-2026-55999",
      "title": "xorg-x11-server-Xwayland: Local attackers with a X connection able to provide PCX fonts to the X \nserver xorg-server before 21.2.24 and xwaylan...",
      "priority": "High",
      "severity": "important",
      "cvss": 7.8,
      "epss": 0.00333,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}