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X.Org Xorg-X11-Server vulnerabilities

1 known vulnerability affecting x.org/xorg-x11-server.

Total CVEs
1
CISA KEV
0
Public exploits
0
Exploited in wild
0
Severity breakdown
HIGH1

Vulnerabilities

Page 1 of 1
CVE-2026-56000P3HIGHCVSS 7.8fixed in 21.1.242026-07-08
CVE-2026-56000 [HIGH] CWE-416 CVE-2026-56000: Local attackers with a X connection able to provide GLX commit to the X server xorg-server before 21 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.
nvd
X.Org Xorg-X11-Server vulnerabilities | cvebase