{
  "id": "openEuler-SA-2023-1239",
  "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2023-1239",
  "title": "An update for xorg-x11-server is now available for openEuler-20.03-LTS-SP1,openEuler-20.03-LTS-SP3,openEuler-22.03-LTS and openEuler-22.03-LTS-SP1",
  "severity": "High",
  "description": "X.Org X11 X server.\r\n\r\nSecurity Fix(es):\r\n\r\nA flaw was found in X.Org Server Overlay Window. A Use-After-Free may lead to local privilege escalation. If a client explicitly destroys the compositor overlay window (aka COW), the Xserver would leave a dangling pointer to that window in the CompScreen structure, which will trigger a use-after-free later.(CVE-2023-1393)",
  "cves": [
    {
      "id": "CVE-2023-1393",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-1393",
      "severity": "High"
    }
  ]
}