Security Advisory

CVE-2025-62230

7.3
HIGH

Vulnerability Description

A flaw was discovered in the X.Org X server’s X Keyboard (Xkb) extension when handling client resource cleanup. The software frees certain data structures without properly detaching related resources, leading to a use-after-free condition. This can cause memory corruption or a crash when affected clients disconnect.
Published Date October 30, 2025
Official Source NIST NVD Advisory