| Name | CVE-2025-46805 |
| Description | Screen version 5.0.0 and older version 4 releases have a TOCTOU race potentially allowing to send SIGHUP, SIGCONT to privileged processes when installed setuid-root. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| screen (PTS) | bullseye | 4.8.0-6 | vulnerable |
| bookworm | 4.9.0-4 | vulnerable |
| sid, trixie | 4.9.1-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| screen | source | (unstable) | 4.9.1-3 | unimportant | | |
Notes
Fixed by: https://git.savannah.gnu.org/cgit/screen.git/commit/?id=161f85b98b7e1d5e4893aeed20f4cdb5e3dfaaa4
https://www.openwall.com/lists/oss-security/2025/05/12/1
screen in Debian not installed setuid or setgid