CVE-2025-49178
5.5
MEDIUM
CVSS 3.1
EPSS 0.23%
Description
A flaw was found in the X server's request handling. Non-zero 'bytes to ignore' in a client's request can cause the server to skip processing another client's request, potentially leading to a denial of service.
How to fix CVE-2025-49178
To remediate CVE-2025-49178, upgrade the affected package to a fixed version below.
- Debian/xorg-server—upgrade to 2:1.20.11-1+deb11u16 or later
- Debian/xwayland—no fix listed
Is CVE-2025-49178 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2:1.20.11-1+deb11u16
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |