CVE-2026-93520

CVE-2026-93520CVE-2026-93520

Description

A heap buffer overflow caused by mismatching size calculations between XkbAllocNames and ChangeKeycodeRange in X.org X server before 2.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in X server context.

Scoring

CVSS 7.8 ()
VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Last modified2026-10-28
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.