CVE-2025-46804 Screen 5.0.0 and older versions allow file existence tests when installed setuid-root
Unprivileged users can deduce path existence information when GNU Screen is installed with setuid-root privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-46804?
CVE-2025-46804 is a low-severity vulnerability, published on 26 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A minor information leak when running Screen with setuid-root privileges allows unprivileged users to deduce information about a path that would otherwise not be available.
Affected are older Screen versions, as well as version 5.0.0.
Weakness: CWE-203
Which versions are affected by CVE-2025-46804?
How do I fix CVE-2025-46804?
Upgrade to a fixed version.
Is CVE-2025-46804 being exploited?
There is no known exploitation of CVE-2025-46804 in the wild and no public exploit code.
Sources
Also known as ALPINE-CVE-2025-46804, BELL-CVE-2025-46804, DEBIAN-CVE-2025-46804, GHSA-pmh6-rrrw-xvhh, UBUNTU-CVE-2025-46804.