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CVE PROGRAM SOURCE RECORD6.8 Medium

CVE-2026-93515

.Org Server Present Extension Use-After-Free

Description

A use-after-free in present_clear_window_notifies() 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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

X.org xorg-x11-server

Default version status: unaffected

  • 0 to < 21.1.25affected

x.org xwayland

Default version status: unaffected

  • 0 to < 24.1.14affected

References