CVE-2026-93523

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...

CVE-2026-93523

A heap buffer overflow vulnerability exists in X.Org X Server (versions before 21.1.15) and XWayland (versions before 24.1.14) within the XInput2 component. The flaw is triggered by a XIPassiveUngrabDevice request containing an unvalidated, out-of-range modifier value, leading to an out-of-bounds...

CVE-2026-93523 X.Org Server XInput2 PassiveUngrabDevice Out-of-Bounds Write

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...

Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues: CVE-2026-88812: XKB SetGeometry TextDoodad Double Free bsc1281213. CVE-2026-93515: X.Org Server Present Extension Use-After-Free bsc1281218. CVE-2026-93516: X.Org Server XInput Passive Grab Use-After-Free bsc1281220. CVE-2026-93517: GLX...

UBUNTU-CVE-2026-93523

XInput2 PassiveUngrabDevice Modifier Out-of-Bounds Write...

CVE-2026-93523

XInput2 PassiveUngrabDevice Modifier Out-of-Bounds Write...

CVE-2026-93523

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...