CVE-2025-46804

Publication date 8 May 2025

Last updated 16 October 2026

Ubuntu priority

Cvss 3 Severity Score

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.

Read the notes from the security team

Why is this CVE low priority?

Per reporter, this is a minor information leak

Learn more about Ubuntu priority

Status

Show unmaintained releases

Package	Ubuntu Release	Status
screen	26.10 stonking	Not affected
	26.04 LTS resolute	Not affected
	25.10 questing	Not affected
	25.04 plucky	Ignored end of life, was needs-triage
	24.10 oracular	Ignored end of life, was needs-triage
	24.04 LTS noble	Fixed in 4.9.1-1ubuntu1
	22.04 LTS jammy	Fixed in 4.9.0-1ubuntu0.1
	20.04 LTS focal	Needs evaluation
	18.04 LTS bionic	Needs evaluation
	16.04 LTS xenial	Needs evaluation
	14.04 LTS trusty	Needs evaluation

Notes

mdeslaur

minor information leak when running setuid-root, also applies to older versions Ubuntu does not install screen setuid-root

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
screen	Upstream: ?id=e0e

Severity score breakdown

CVSS version:

Base score 2.0 · Low

Base metrics

Parameter	Value
Attack vector	Local
Attack complexity	Low
Attack requirements	Present
Privileges required	Low
User interaction	None
Vulnerable system - Confidentiality impact	Low
Vulnerable system - Integrity impact	None
Vulnerable system - Availability impact	None
Subsequent system - Confidentiality impact	None
Subsequent system - Integrity impact	None
Subsequent system - Availability impact	None

Scores

Parameter	Value
Base score	2.0 · Low
Base + Threat score	-
Base + Environmental score	-
Base + Threat + Environmental score	-

Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Base score 3.3 · Low