CVE-2026-93524

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...

EUVD-2026-112228

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...

CVE-2026-93524

A buffer overread exists in the CheckKeySyms() function within the X.Org X Server (versions before 21.1.25 ) and XWayland (versions before 24.1.14 ). The root cause is a desynchronization during the SetMap request: when the first loop populates a validation array for new key widths, the second lo...