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CVE-2026-93536

X.Org Server GestureBuildSprite Use-After-Free

MEDIUM
5.3
CVSS Score
Published: October 28, 2026 at 04:33 PM UTC
Updated: October 29, 2026 at 03:04 PM UTC
2 products affected across 1 vendorXwaylandxorg-x11-server

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.2%

Description

A use after free caused by missing lifecycle management of gesture sprites in GestureBuildSprite() in X.Org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash the X server or potentially execute code.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Xwayland· X Org
90%
All versions
xorg-x11-server· X Org
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Patch
Source: cverecord
https://gitlab.freedesktop.org/xorg/xserver/-/commit/efcfd8acc754c5ac4b2555ff375dd5101d735b0a

CVSS

5.3MEDIUMsuse
Attack Vector
LOCAL
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-122

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