ALPINE-CVE-2021-45444

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Source
https://security.alpinelinux.org/vuln/CVE-2021-45444
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45444.json
JSON Data
https://api.test.osv.dev/v1/vulns/ALPINE-CVE-2021-45444
Upstream
Published
2022-02-14T12:15:15Z
Modified
2026-08-27T22:17:55Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Alpine:v3.12
zsh

Package

Name
zsh
Purl
pkg:apk/alpine/zsh?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.8.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45444.json"
Alpine:v3.13
zsh

Package

Name
zsh
Purl
pkg:apk/alpine/zsh?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.8.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45444.json"
Alpine:v3.14
zsh

Package

Name
zsh
Purl
pkg:apk/alpine/zsh?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.8.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45444.json"
Alpine:v3.15
zsh

Package

Name
zsh
Purl
pkg:apk/alpine/zsh?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.8.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45444.json"
Alpine:v3.16
zsh

Package

Name
zsh
Purl
pkg:apk/alpine/zsh?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.8.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45444.json"
Alpine:v3.17
zsh

Package

Name
zsh
Purl
pkg:apk/alpine/zsh?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.8.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45444.json"
Alpine:v3.18
zsh

Package

Name
zsh
Purl
pkg:apk/alpine/zsh?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.8.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45444.json"
Alpine:v3.19
zsh

Package

Name
zsh
Purl
pkg:apk/alpine/zsh?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.8.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45444.json"
Alpine:v3.20
zsh

Package

Name
zsh
Purl
pkg:apk/alpine/zsh?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.8.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45444.json"
Alpine:v3.21
zsh

Package

Name
zsh
Purl
pkg:apk/alpine/zsh?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.8.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45444.json"
Alpine:v3.22
zsh

Package

Name
zsh
Purl
pkg:apk/alpine/zsh?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.8.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45444.json"
Alpine:v3.23
zsh

Package

Name
zsh
Purl
pkg:apk/alpine/zsh?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.8.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45444.json"
Alpine:v3.24
zsh

Package

Name
zsh
Purl
pkg:apk/alpine/zsh?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.8.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45444.json"