CVE-2026-88812

X.Org Server XKB SetGeometry TextDoodad Double Free

State: Published
Severity: 7.8 High
Published: Oct 27, 2026
Updated: Oct 27, 2026
Reserved: Sep 10, 2026

Description

A double free in XKB SetGeometryin X.Org X Server before 21.1.25 and X Wayland before 24.1.14 could be used by attached clients to cause a crash or potentially code in the x server context.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	suse

Weaknesses

CWE-415 Double free

Affected Products

Product	Versions
xorg-x11-serverX.org	before 21.1.25Affected
xwaylandx.org	before 24.1.14Affected

References

https://gitlab.freedesktop.org/xorg/xserver/-/commit/0d1b1b0bad86c9ea2a3b7ca5a70e681dc69f1eccpatch

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