ALPINE-CVE-2021-31873

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Source
https://security.alpinelinux.org/vuln/CVE-2021-31873
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-31873.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2021-31873
Upstream
Published
2021-04-30T06:15:07Z
Modified
2026-11-03T06:32:40Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in klibc before 2.0.9. Additions in the malloc() function may result in an integer overflow and a subsequent heap buffer overflow.

References

Affected packages

Alpine:v3.19
klibc

Package

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

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-31873.json"
Alpine:v3.20
klibc

Package

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

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-31873.json"
Alpine:v3.21
klibc

Package

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

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-31873.json"
Alpine:v3.22
klibc

Package

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

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-31873.json"
Alpine:v3.23
klibc

Package

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

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-31873.json"
Alpine:v3.24
klibc

Package

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

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-31873.json"