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Slackware Linux 15.0 zsh Vulnerability (SSA:2025-109-01)

high Nessus Plugin ID 234636

Synopsis

The remote Slackware Linux host is missing a security update to zsh.

Description

The version of zsh installed on the remote host is prior to 5.9. It is, therefore, affected by a vulnerability as referenced in the SSA:2025-109-01 advisory.

 New zsh packages are available for Slackware 15.0 to fix a security issue.

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

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

Solution

Upgrade the affected zsh package.

See Also

http://www.nessus.org/u?1c4e441e

Plugin Details

Severity: High

ID: 234636

File Name: Slackware_SSA_2025-109-01.nasl

Version: 1.1

Type: local

Published: 4/19/2025

Updated: 4/19/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 5.1

Temporal Score: 3.8

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2021-45444

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: p-cpe:/a:slackware:slackware_linux:zsh, cpe:/o:slackware:slackware_linux:15.0

Required KB Items: Host/local_checks_enabled, Host/Slackware/release, Host/Slackware/packages

Exploit Ease: No known exploits are available

Patch Publication Date: 4/19/2025

Vulnerability Publication Date: 2/12/2022

Reference Information

CVE: CVE-2021-45444