X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon. Xwayland is an X server for running X clients under Wayland. Security Fix: * xorg-x11-server: X.Org Server ProcXkbSetGeometry out-of-bounds access * xorg-x11-server: out-of-bounds access in ProcXkbSetDeviceInfo request handler of the Xkb extension For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.7 Release Notes linked from the References section.