CVE-2026-93523

CVE-2026-93523CVE-2026-93523

Description

A heap buffer overflow caused by a XIPassiveUngrabDevice request with an out-of-range modifier value in X.Org X Server before 21.1.15 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.