[ALSA-2026:11352] Important: xorg-x11-server-Xwayland security update
Type:
security
Severity:
important
Release date:
2026-04-29
Description:
Xwayland is an X server for running X clients under Wayland. Security Fix(es): * xorg: xwayland: X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling (CVE-2026-33999) * xorg: xwayland: X.Org X server: Use-after-free vulnerability leads to server crash and potential memory corruption (CVE-2026-34001) * xorg: xwayland: X.Org X server: Information exposure and denial of service via out-of-bounds memory access (CVE-2026-34003) 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-24.1.5-6.el10_1.aarch64.rpm ef0533fb8c3a69915908d5dd74b086225c4f8e0b8540ddfc7e09a585df585b91
aarch64 xorg-x11-server-Xwayland-devel-24.1.5-6.el10_1.aarch64.rpm f3b053d182a0f0187d74a547c9dbcb084ec5e4d4f99916e0a2e13017e3482047
ppc64le xorg-x11-server-Xwayland-devel-24.1.5-6.el10_1.ppc64le.rpm 2fc241cbaf3bdda0bb320b99247aacde279e87fbbbb7ae44abee428f3ed5d953
ppc64le xorg-x11-server-Xwayland-24.1.5-6.el10_1.ppc64le.rpm 57f6469b66f81113d54bb95d14e37ba92d3ec840d60994a0cc172d1c910a2505
s390x xorg-x11-server-Xwayland-devel-24.1.5-6.el10_1.s390x.rpm 09fa52b4733130f4129ab6849ca119938735f0a43f32068cd8ef4cd683ef86ad
s390x xorg-x11-server-Xwayland-24.1.5-6.el10_1.s390x.rpm 5496a4f1ddfddefc953409b0fcc4b4726f37eaebfaf78687fb071176426f68da
x86_64 xorg-x11-server-Xwayland-24.1.5-6.el10_1.x86_64.rpm 13b44a8389ddd568828aa1fa494270db9b20858b4936c70f11bcc47e6d7d4763
x86_64 xorg-x11-server-Xwayland-devel-24.1.5-6.el10_1.x86_64.rpm 25ec359d0ce4dbafd3712309e67f9b13e4ea597c33aa15de1adb6b2a2ffca6c2
x86_64_v2 xorg-x11-server-Xwayland-devel-24.1.5-6.el10_1.x86_64_v2.rpm 94fdc4e33e5af210cc0dac64e517c22ac6d3e92c0c841c420f8a27a8bc71bb36
x86_64_v2 xorg-x11-server-Xwayland-24.1.5-6.el10_1.x86_64_v2.rpm a641c793216e1ed202508ce4261b7876a01d23b0ed1bb5259da375c640cd091c
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.