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CVE-2026-93519high7.8

X.Org Server XFixes Pointer Barrier Event List Buffer Overflow

Impact

A buffer overflow when handling pointer barriers in the XFIXES extension in X.Org X server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in X server context.

Source excerpt · suse

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

x.org · xorg-x11-server

Other versions: unaffected

Version / rangeSource status
0 to before 21.1.25affected
suse version evidence

x.orgg · xwayland

Other versions: unaffected

Version / rangeSource status
0 to before 24.1.14affected
suse version evidence

Original source description

A buffer overflow when handling pointer barriers in the XFIXES extension in X.Org X server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in X server context.

References