ALSA-2026:11369
See a problem?- Import Source
- https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:11369.json
- JSON Data
- https://api.osv.dev/v1/vulns/ALSA-2026:11369
- Related
- Published
- 2026-04-28T00:00:00Z
- Modified
- 2026-04-30T14:32:21.198189Z
- Summary
- Important: xorg-x11-server-Xwayland security update
- Details
-
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
-
- https://access.redhat.com/errata/RHSA-2026:11369
- https://access.redhat.com/security/cve/CVE-2026-33999
- https://access.redhat.com/security/cve/CVE-2026-34001
- https://access.redhat.com/security/cve/CVE-2026-34003
- https://bugzilla.redhat.com/2451106
- https://bugzilla.redhat.com/2451109
- https://bugzilla.redhat.com/2451113
- https://errata.almalinux.org/9/ALSA-2026-11369.html
Affected packages
AlmaLinux:9 / xorg-x11-server-Xwayland
Package
- Name
- xorg-x11-server-Xwayland
- Purl
- pkg:rpm/almalinux/xorg-x11-server-Xwayland