CVE-2025-46803

The default mode of pseudo terminals (PTYs) allocated by Screen was changed from 0620 to 0622, thereby allowing anyone to write to any Screen PTYs in the system.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
suseCNA
5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
CVEADP
---
---
CISA-ADPADP
---
---
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Debian logo
Debian Releases
Debian Product
Codename
screen
bullseye
4.8.0-6
fixed
bookworm
4.9.0-4
fixed
sid
4.9.1-3
fixed
trixie
4.9.1-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
screen
plucky
not-affected
oracular
not-affected
noble
not-affected
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
Common Weakness Enumeration
References
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-46803
https://www.openwall.com/lists/oss-security/2025/05/12/1
http://www.openwall.com/lists/oss-security/2025/05/13/6
https://www.openwall.com/lists/oss-security/2025/05/12/1