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RLSA-2026:38489

RLSA-2026:38489 · Important: xorg-x11-server-Xwayland security update

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Xwayland is an X server for running X clients under Wayland. Security Fix(es): * xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow (CVE-2026-55999) * X.org: xorg-x11-server: GLX contextTags Use-After-Free in CommonMakeCurrent() (CVE-2026-56000) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

CVSS 7.5 · High · Fix available

Published
Updated

Stack: system

Affected products and versions

Original sources

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