CVE-2026-93521
high
CVSS v3
—
CVSS v4 NEW
—
VIR risk
8.0
Description
RHSA-2026:82015: xorg-x11-server security update (Important)
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Mixed 4 releases
| Version | Package | Status | Fixed in |
|---|---|---|---|
| trixie | xorg-server xwayland |
Affected | — |
| sid | xorg-server |
Fixed | 2:21.1.25-1 |
| sid | xwayland |
Fixed | 2:24.1.14-1 |
| forky | xorg-server |
Affected | — |
| forky | xwayland |
Fixed | 2:24.1.14-1 |
| bookworm | xorg-server xwayland |
Affected | — |
Alpine Fixed 1 release
| Version | Package | Status | Fixed in |
|---|---|---|---|
| v3.24 | xwayland |
Fixed | 24.1.14-r0 |
| v3.24 | xorg-server |
Fixed | 21.1.25-r0 |
Red Hat Fixed 1 release
| Version | Package | Status | Fixed in |
|---|---|---|---|
| 9 | xorg-x11-server-Xdmx xorg-x11-server-Xephyr xorg-x11-server-Xnest +5 more |
Fixed | 1.20.11-34.el9_8.4 |
SUSE Tracked 1 release
| Version | Package | Status | Fixed in |
|---|---|---|---|
| — | — | Unknown | — |
References
- https://www.suse.com/security/cve/CVE-2026-93521.html
- https://security-tracker.debian.org/tracker/CVE-2026-93521
- https://security.alpinelinux.org/vuln/CVE-2026-93521
- https://pkgs.alpinelinux.org/packages?name=xwayland
- https://pkgs.alpinelinux.org/packages?name=xorg-server
- https://access.redhat.com/errata/RHSA-2026:82015
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.