{
  "fix": "RHSA-2026:19343",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-19343",
  "summary": "RHSA-2026:19343, released April 30, 2026, fixes 3 CVEs across 8 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 8 packages",
  "released": "2026-04-30T14:22:30Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-33999, high severity",
  "supported": true,
  "cveCount": 3,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.0038,
  "maxCvss": 7.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:19343",
  "appliesTo": [
    {
      "product": "xorg-x11-server-Xdmx",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xdmx",
      "release": "RHEL 9",
      "fixedVersion": "0:1.20.11-34.el9_8",
      "supported": true
    },
    {
      "product": "xorg-x11-server-Xephyr",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xephyr",
      "release": "RHEL 9",
      "fixedVersion": "0:1.20.11-34.el9_8",
      "supported": true
    },
    {
      "product": "xorg-x11-server-Xnest",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xnest",
      "release": "RHEL 9",
      "fixedVersion": "0:1.20.11-34.el9_8",
      "supported": true
    },
    {
      "product": "xorg-x11-server-Xorg",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xorg",
      "release": "RHEL 9",
      "fixedVersion": "0:1.20.11-34.el9_8",
      "supported": true
    },
    {
      "product": "xorg-x11-server-Xvfb",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-xvfb",
      "release": "RHEL 9",
      "fixedVersion": "0:1.20.11-34.el9_8",
      "supported": true
    },
    {
      "product": "xorg-x11-server-common",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-common",
      "release": "RHEL 9",
      "fixedVersion": "0:1.20.11-34.el9_8",
      "supported": true
    },
    {
      "product": "xorg-x11-server-devel",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-devel",
      "release": "RHEL 9",
      "fixedVersion": "0:1.20.11-34.el9_8",
      "supported": true
    },
    {
      "product": "xorg-x11-server-source",
      "productUrl": "https://patchblox.com/security/product/linux/xorg-x11-server-source",
      "release": "RHEL 9",
      "fixedVersion": "0:1.20.11-34.el9_8",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-33999",
      "url": "https://patchblox.com/security/cve/CVE-2026-33999",
      "title": "Xorg: xwayland: x.org x server: denial of service via integer underflow in xkb compatibility map handling",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.0038,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-34001",
      "url": "https://patchblox.com/security/cve/CVE-2026-34001",
      "title": "xorg-x11-server-common: X.Org is an open-source implementation of the X Window System",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00264,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-34003",
      "url": "https://patchblox.com/security/cve/CVE-2026-34003",
      "title": "xorg-x11-server-common: X.Org is an open-source implementation of the X Window System",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.0025,
      "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"
  }
}