Debian/xorg-server: high 7.8
A flaw was found in the X.Org X server. This use-after-free vulnerability occurs in the XSYNC fence triggering logic, specifically within the miSyncTriggerFence() function. An attacker with access to
Action: Upgrade xorg-server to 2:21.1.22-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2:21.1.22-1 | - |
Fixed versions
| 2:21.1.22-1 |
Sources
- osv: DEBIAN-CVE-2026-34001#Debian:14/xorg-server
- https://security-tracker.debian.org/tracker/CVE-2026-34001
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