[ALSA-2026:38489] Important: xorg-x11-server-Xwayland security update
Type:
security
Severity:
important
Release date:
2026-08-13
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-24.1.9-4.el10_2.3.aarch64.rpm 2ce522fbe26a81a103eebb1a30501d208b28184b472bd894ab50acde0c418b28
aarch64 xorg-x11-server-Xwayland-devel-24.1.9-4.el10_2.3.aarch64.rpm 798ea8d52aa82ffd4cc0a0c92c5256b8539e765babe3eaf50bf71463ea95ca99
ppc64le xorg-x11-server-Xwayland-24.1.9-4.el10_2.3.ppc64le.rpm 21441e938dc88008957bc27e43a6baf2b55fad5466a4bddfa4d60c34065420bb
ppc64le xorg-x11-server-Xwayland-devel-24.1.9-4.el10_2.3.ppc64le.rpm 389a615fd63d44e9e15c9249d1f186c4af62a3501768834a3516c88f7f58fb9b
s390x xorg-x11-server-Xwayland-24.1.9-4.el10_2.3.s390x.rpm 2b123aace528e054e6ddae865d81b9945f15f7cf5a036bf1260aed60e9bd9862
s390x xorg-x11-server-Xwayland-devel-24.1.9-4.el10_2.3.s390x.rpm d236724ba356409226a756215272e6af27e97d89f56251b4e921c8cfe92e26ad
x86_64 xorg-x11-server-Xwayland-devel-24.1.9-4.el10_2.3.x86_64.rpm 307858c3a79394b0df7c271bbf53de3dde7e082809a9b42492c78cbb1f8c8594
x86_64_v2 xorg-x11-server-Xwayland-devel-24.1.9-4.el10_2.3.x86_64_v2.rpm 9c14ea7559bbdf0671e5d03dea8bcc2f574fef6bb453883842a38ff105934788
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.