Use After Free in X.org Xorg-x11-server
CVE-2026-56000
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 memor…
Vulnerability class: Use-After-Free
Affected products
- X.org Xorg-x11-server — versions 0
- X.org Xwayland — versions 0
Weakness classification (CWE)
References
- meissner@suse.de (patch)
- meissner@suse.de (vendor-advisory)