CVE-2026-50259 | X.org X11 Server _XkbSetMapChecks stack-based overflow

SecurityVulns
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A vulnerability was found in X.org X11 Server. It has been rated as critical. This affects the function _XkbSetMapChecks. This manipulation causes stack-based buffer overflow.

This vulnerability appears as CVE-2026-50259. The attack requires local access. There is no available exploit.

Upgrading the affected component is advised.VulDB Recent EntriesRead More