[ALSA-2026:38490] Important: xorg-x11-server-Xwayland security update
Type:
security
Severity:
important
Release date:
2026-08-12
Description:
Xwayland is an X server for running X clients under Wayland. Security Fix(es): * xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow (CVE-2026-55999) * X.org: xorg-x11-server: GLX contextTags Use-After-Free in CommonMakeCurrent() (CVE-2026-56000) 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.
References:
Updated packages listed below:
Architecture Package Checksum
aarch64 xorg-x11-server-Xwayland-devel-24.1.9-4.el9_8.3.aarch64.rpm 28b79f350322e9f247c953dbeced400b908cff01dd6923112b74bf63e69368ca
aarch64 xorg-x11-server-Xwayland-24.1.9-4.el9_8.3.aarch64.rpm fbba274f6f8a17d749b8cc2ff134c5184be5043b090e04dfe6573b8424aff00c
i686 xorg-x11-server-Xwayland-24.1.9-4.el9_8.3.i686.rpm 4344e8c6814c54ce84cd038fe4ae496e7d3de3ebcf5bffc41dc83e1be80bc88f
i686 xorg-x11-server-Xwayland-devel-24.1.9-4.el9_8.3.i686.rpm bd62b58c290385e0853484c4da3214fe20bdc0d2f49bf14334184a1a8ec69486
ppc64le xorg-x11-server-Xwayland-devel-24.1.9-4.el9_8.3.ppc64le.rpm 6246e7a52195f2df804dc4fdd11c9588f6b6e2ea84a0156538810c992d9dc108
ppc64le xorg-x11-server-Xwayland-24.1.9-4.el9_8.3.ppc64le.rpm c487c00ac3de52f3ed44e7aa5b67bef637a4bab5ac01b0e53cbad22b97d1936e
s390x xorg-x11-server-Xwayland-devel-24.1.9-4.el9_8.3.s390x.rpm 913754a1fa1cfe61aba86a9f0c870c91ee4d63d58f2605f0b0175fea15befc5e
s390x xorg-x11-server-Xwayland-24.1.9-4.el9_8.3.s390x.rpm d268e5ed1e4a1ddf83ee8f0efeccb5da070b8dcd7eb74ef05d009e8160aea2d6
x86_64 xorg-x11-server-Xwayland-devel-24.1.9-4.el9_8.3.x86_64.rpm 72f02cba20f144f07cb093ca472983f2f19e4fd7fce82f40e49d2805de4a6ea3
Notes:
This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.