ALPINE-CVE-2021-36159

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Source
https://security.alpinelinux.org/vuln/CVE-2021-36159
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-36159.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2021-36159
Upstream
Published
2021-08-03T14:15:08.233Z
Modified
2026-06-09T21:31:35.444336524Z
Severity
  • 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
Summary
[none]
Details

libfetch before 2021-07-26, as used in apk-tools, xbps, and other products, mishandles numeric strings for the FTP and HTTP protocols. The FTP passive mode implementation allows an out-of-bounds read because strtol is used to parse the relevant numbers into address bytes. It does not check if the line ends prematurely. If it does, the for-loop condition checks for the '\0' terminator one byte too late.

References

Affected packages

Alpine:v3.10
apk-tools

Package

Name
apk-tools
Purl
pkg:apk/alpine/apk-tools?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-36159.json"
Alpine:v3.11
apk-tools

Package

Name
apk-tools
Purl
pkg:apk/alpine/apk-tools?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-36159.json"
Alpine:v3.12
apk-tools

Package

Name
apk-tools
Purl
pkg:apk/alpine/apk-tools?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-36159.json"
Alpine:v3.13
apk-tools

Package

Name
apk-tools
Purl
pkg:apk/alpine/apk-tools?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-36159.json"
Alpine:v3.14
apk-tools

Package

Name
apk-tools
Purl
pkg:apk/alpine/apk-tools?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-36159.json"
Alpine:v3.15
apk-tools

Package

Name
apk-tools
Purl
pkg:apk/alpine/apk-tools?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-36159.json"
Alpine:v3.16
apk-tools

Package

Name
apk-tools
Purl
pkg:apk/alpine/apk-tools?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-36159.json"
Alpine:v3.17
apk-tools

Package

Name
apk-tools
Purl
pkg:apk/alpine/apk-tools?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-36159.json"
Alpine:v3.18
apk-tools

Package

Name
apk-tools
Purl
pkg:apk/alpine/apk-tools?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-36159.json"
Alpine:v3.19
apk-tools

Package

Name
apk-tools
Purl
pkg:apk/alpine/apk-tools?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-36159.json"
Alpine:v3.20
apk-tools

Package

Name
apk-tools
Purl
pkg:apk/alpine/apk-tools?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-36159.json"
Alpine:v3.21
apk-tools

Package

Name
apk-tools
Purl
pkg:apk/alpine/apk-tools?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-36159.json"
Alpine:v3.22
apk-tools

Package

Name
apk-tools
Purl
pkg:apk/alpine/apk-tools?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-36159.json"
Alpine:v3.23
apk-tools

Package

Name
apk-tools
Purl
pkg:apk/alpine/apk-tools?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-36159.json"
Alpine:v3.24
apk-tools

Package

Name
apk-tools
Purl
pkg:apk/alpine/apk-tools?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-36159.json"