CVE-2025-62230
HIGH7.3EPSS 0.01%Published: 10/30/2025Modified: 4/28/2026
Description
A flaw was discovered in the X.Org X server’s X Keyboard (Xkb) extension when handling client resource cleanup. The software frees certain data structures without properly detaching related resources, leading to a use-after-free condition. This can cause memory corruption or a crash when affected clients disconnect.
Affected packages (2)
- Debian/xorg-serverfrom 0, < 2:1.20.11-1+deb11u17
- Debian/xwaylandfrom 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H |