CVE-2025-46805

EUVD-2025-28070
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.
TOCTOU
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
suseCNA
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 5%
Debian logo
Debian Releases
Debian Product
Codename
screen
bookworm
unimportant
bullseye
unimportant
forky
4.9.1-3.1
fixed
sid
4.9.1-3.1
fixed
trixie
4.9.1-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
screen
bionic
needs-triage
focal
needs-triage
jammy
Fixed 4.9.0-1ubuntu0.1
released
noble
Fixed 4.9.1-1ubuntu1
released
oracular
ignored
plucky
ignored
questing
not-affected
trusty
needs-triage
xenial
needs-triage