CVE-2026-93519highCWE-122

CVE-2026-93519: high-severity vulnerability in x.orgg xwayland

X.Org Server XFixes Pointer Barrier Event List Buffer Overflow

Published

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.8epss 0.2%
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
x.org · xorg-x11-serverx.orgg · xwayland
Related CVEs — x.orgg xwayland

In the same product, most dangerous first.

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