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Multiple Security Issues Patched in XOrg Server 21.1.25 and Xwayland 24.1.14

Written By
MN
Marcus Nestor
Oct 20, 2026

The fixes include CVE-2026-88812, an XKB SetGeometry TextDoodad double free that can lead to heap corruption, potentially enabling arbitrary code execution or denial of service (crash), and CVE-2026-93515, a present extension cross-window notify use-after-free that can lead to denial of service (crash) or potentially information disclosure.
MN

Marcus Nestor

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