ALSA-2026:11656
See a problem?- Import Source
- https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:11656.json
- JSON Data
- https://api.osv.dev/v1/vulns/ALSA-2026:11656
- Related
- Published
- 2026-04-29T00:00:00Z
- Modified
- 2026-04-30T14:45:27.660271Z
- 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-2026:11656
- 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/8/ALSA-2026-11656.html