ALSA-2022:1917

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. The following packages have been upgraded to a later upstream version: xorg-x11-server-Xwayland (21.1.3). (BZ#2015842) Security Fix(es):

• xorg-x11-server: SProcRenderCompositeGlyphs out-of-bounds access (CVE-2021-4008)
• xorg-x11-server: SProcXFixesCreatePointerBarrier out-of-bounds access (CVE-2021-4009)
• xorg-x11-server: SProcScreenSaverSuspend out-of-bounds access (CVE-2021-4010)
• xorg-x11-server: SwapCreateRegister out-of-bounds access (CVE-2021-4011) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.