CVE-2026-56000 [HIGH] – Local attackers with a X connection able to provide GLX commit to the X server xorg-server

Local attackers with a X connection able to provide GLX commit to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a Heap Use After Free, due to CommonMakeCurrent() pointing into potentially reallocated memory.