Alpine: android-tools-zsh-completion, bzr-zsh-completion, composer-zsh-completion, imagemagick-zsh-completion, lynx-zsh-completion, multiple gcc-zsh-completion packages, postgresql-zsh-completion, rsync-zsh-completion, subversion-zsh-completion, tmux-zsh-completion, zfs-zsh-completion: security update to 5.8.1-r0

high Tenable Cloud Security Plugin ID 424755

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- In zsh before 5.8.1, an attacker can achieve code execution if they control a command output inside the
prompt, as demonstrated by a %F argument. This occurs because of recursive PROMPT_SUBST expansion.
(CVE-2021-45444)

See Also

https://security.alpinelinux.org/vuln/CVE-2021-45444

Plugin Details

Severity: High

ID: 424755

Version: Revision 1.8

Type: Local

Published: 4/4/2025

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58

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

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 2/12/2022

Reference Information

CVE: CVE-2021-45444