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. Security Fix: * libxcursor: 1-byte heap-based overflow in _XcursorThemeInherits function in library.c For more details about the security issue, including the impact, a CVSS score, 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 7.6 Release Notes linked from the References section.