RLSA-2026:11656
- Source
- https://errata.rockylinux.org/RLSA-2026:11656
- Import Source
- https://storage.googleapis.com/resf-osv-data/RLSA-2026:11656.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/RLSA-2026:11656
- Upstream
- Published
- 2026-04-30T18:01:05.380956Z
- Modified
- 2026-04-30T18:27:19.129723Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- 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
- Credits
-
-
- Rocky Enterprise Software Foundation
-
- Red Hat
-
Affected packages
Rocky Linux:8 / xorg-x11-server-Xwayland
Package
- Name
- xorg-x11-server-Xwayland
- Purl
- pkg:rpm/rocky-linux/xorg-x11-server-Xwayland?distro=rocky-linux-8&epoch=0