CVE Intelligence

X.org Xorg-x11-server vulnerabilities

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Published CVEs affecting X.org Xorg-x11-server: 1 record(s), with affected versions and fixes.

CVE-2026-56000 High · 7.8 CWE-416 Jul 8, 2026
xorg-x11-server / xwayland GLX contextTags Use-After-Free in CommonMakeCurrent()
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.