CVE-2026-93516

.Org Server XInput Passive Grab Use-After-Free

State
Published
Severity
5.5 Medium
Published
Oct 28, 2026
Updated
Oct 28, 2026
Reserved
Sep 18, 2026

Read the record on cve.org

Description

A use-after-free caused by lack of lifecycle management when adding / removing XInput master devices 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 in X server context.

Scores

CVSSScoreVectorSource
3.15.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsuse

Weaknesses

Affected Products

ProductVersions
xorg-x11-serverx.org
  • before 21.1.25Affected
xwaylandx.org
  • before 24.1.14Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.