AZL-89583 CVE-2026-50257 affecting package xorg-x11-server-Xwayland for versions less than 24.1.12-1

A use-after-free flaw was found in the X.Org X server and Xwayland in miSyncDestroyFence. A client that sets up multiple fence triggers can trigger a use-after-free function pointer call. An attacker would connect to the X server to set up a fence and await that fence, then a second X connection...