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GLSA-202608-27 : GNU screen: Multiple Vulnerabilities

high Nessus Plugin ID 339933

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Description

The remote host is affected by the vulnerability described in GLSA-202608-27 (GNU screen: Multiple Vulnerabilities)

 Multiple vulnerabilities have been discovered in GNU screen. Please review the CVE identifiers referenced below for details.

Tenable has extracted the preceding description block directly from the Gentoo Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

All GNU screen users should upgrade to the latest version:

 # emerge --sync # emerge --ask --oneshot --verbose >=app-misc/screen-4.9.1-r2

See Also

https://bugs.gentoo.org/show_bug.cgi?id=955907

https://security.gentoo.org/glsa/202608-27

Plugin Details

Severity: High

ID: 339933

File Name: gentoo_GLSA-202608-27.nasl

Version: 1.2

Type: Local

Published: 8/26/2026

Updated: 8/27/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.59

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2025-23395

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 7.3

Threat Score: 4.4

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

CPE: cpe:/o:gentoo:linux, p-cpe:/a:gentoo:linux:screen

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 8/26/2026

Vulnerability Publication Date: 5/21/2025

Reference Information

CVE: CVE-2025-23395, CVE-2025-46802, CVE-2025-46803, CVE-2025-46804, CVE-2025-46805