Debian/xorg-server: high 7.8
Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a heap buffer overflow via SetFont due to missing glyph
Action: Upgrade xorg-server to 2:21.1.24-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2:21.1.24-1 | - |
Fixed versions
| 2:21.1.24-1 |
Sources
- osv: DEBIAN-CVE-2026-55999#Debian:14/xorg-server
- https://security-tracker.debian.org/tracker/CVE-2026-55999
published · modified · JSON