CVE-2026-93515: .Org Server Present Extension Use-After-Free
Published Oct 28, 2026
·Updated
A use-after-free in presentclearwindownotifies() in the X.org X Server before 21.1.25 and X Wayland before 24.1.14 could be used by malicious X clients to crash or potentially execute code in the X server context.
Affected Software
2 affected components
X.Org X.Org X Server<21.1.25
X.Org X Wayland<24.1.14
Event History
Oct 28, 2026
CVE Published
via MITRE·12:39 PM
Data Sourced
via MITRE·12:39 PM
DescriptionWeakness