The vulnerability of the FreeCounter() function in the Wayland protocol implementation for X.Org XWaylan, as well as in the X.Org Server implementation of the X Window System, allows a malicious actor to escalate their privileges and cause service failures.

The vulnerability of the FreeCounter function in the Wayland protocol implementation for X.Org XWaylan, as well as in the X.Org Server implementation of the X Window System, is related to the possibility of using memory after it has been freed. Exploiting this vulnerability can allow a malicious...