{
  "fix": "OPENSUSE-SU-2026:21273-1",
  "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21273-1",
  "summary": "OPENSUSE-SU-2026:21273-1, released July 8, 2026, fixes 2 CVEs in xorg-x11-server (version 21.1.15-160000.6.1). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "xorg-x11-server security update",
  "released": "2026-07-08T17:58:06Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-55999, high severity",
  "supported": true,
  "cveCount": 2,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00333,
  "maxCvss": 7.8,
  "vendorAdvisory": "https://osv.dev/vulnerability/openSUSE-SU-2026:21273-1",
  "appliesTo": [
    {
      "product": "xorg-x11-server",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "21.1.15-160000.6.1",
      "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
    },
    {
      "cveId": "CVE-2026-56000",
      "url": "https://patchblox.com/security/cve/CVE-2026-56000",
      "title": "xorg-x11-server / xwayland GLX contextTags Use-After-Free in CommonMakeCurrent()",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00308,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T13:56:55Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}