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.
Metrics
Affected Vendors & Products
References
History
Wed, 08 Jul 2026 12:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Wed, 08 Jul 2026 09:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
X.org
X.org xorg-server X.org xwayland |
|
| Vendors & Products |
X.org
X.org xorg-server X.org xwayland |
Wed, 08 Jul 2026 08:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | xorg-server / xwayland glamor font atlas Heap Buffer Overflow | |
| Weaknesses | CWE-122 | |
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: suse
Published:
Updated: 2026-07-08T12:10:11.301Z
Reserved: 2026-06-18T09:26:55.988Z
Link: CVE-2026-55999
Updated: 2026-07-08T12:10:08.315Z
No data.
No data.
OpenCVE Enrichment
Updated: 2026-07-08T09:30:04Z