CVE-2023-6377 | X.org X11 Server prior 21.1.10 XKB Button Action out-of-bounds write

A vulnerability, which was classified as critical, has been found in X.org X11 Server. Affected by this issue is some unknown functionality of the component XKB Button Action Handler. The manipulation leads to out-of-bounds write.

This vulnerability is handled as CVE-2023-6377. The attack needs to be approached locally. There is no exploit available.

It is recommended to upgrade the affected component.