Description (CNA)
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 boundary checks.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| X.Org / xorg-server | affected 0 before 21.1.24 |
| X.Org / xwayland | affected 0 before 24.1.13 |
CWE
CWE-122
References
- https://gitlab.freedesktop.org/xorg/xserver/-/commit/fbf7bac22e2c6bd627fb042742a23318263edae1
- https://www.openwall.com/lists/oss-security/2026/07/08/2
ADP enrichment
No English description supplied.
No references supplied.