Detections
Analytics

CVE-2026-93524

medium

Description

A buffer overread in CheckKeySyms() in X.Org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to leak small amounts of information from X server memory or potentially crash the X server.

References

https://gitlab.freedesktop.org/xorg/xserver/-/commit/cea71d0273e4d5092aa9c6a8a770734c8935c02e

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-112228

Details

Source: Mitre, NVD

Published: 2026-10-28

Updated: 2026-10-28

Risk Information

CVSS v2

Base Score: 5.2

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 6.1

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L

Severity: Medium

CVSS v4

Base Score: 6.9

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N

Severity: Medium