Live › vulnerability › CVE-2026-93524
Go to dashboardA buffer overread in CheckKeySyms() in X.Org X Server before 21.1.25 and XWayland before 24.1.14 lets an authenticated X client read small amounts of server memory. It can also crash the X server.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-28 17:34 UTC. All times on this page are UTC.
Systems running X.Org X Server before 21.1.25 or XWayland before 24.1.14. The attacker must already be an authenticated X client on the display, so machines with no untrusted local X clients carry less risk. Wayland-only systems without XWayland are not affected by the XWayland part.
No product ranges from the sources yet.
Xorg -version or X -version to see the X.Org Server version.Xwayland -version to check the XWayland version.21.1.25 or later.24.1.14 or later.Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
A buffer overread in CheckKeySyms() in X.Org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to leak small amounts of information from X server memory or potentially crash the X server.
This page as .md · .json · in your agent: get_signal("CVE-2026-93524")
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