ALPINE-CVE-2026-27171

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Source
https://security.alpinelinux.org/vuln/CVE-2026-27171
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-27171.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2026-27171
Upstream
Published
2026-02-18T04:16:01Z
Modified
2026-09-14T16:18:08Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

References

Affected packages

Alpine:v3.20 / zlib

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.2.12
Fixed
1.3.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-27171.json"

Alpine:v3.21 / zlib

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.2.12
Fixed
1.3.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-27171.json"

Alpine:v3.22 / zlib

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.2.12
Fixed
1.3.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-27171.json"

Alpine:v3.23 / zlib

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.2.12
Fixed
1.3.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-27171.json"

Alpine:v3.24 / zlib

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.2.12
Fixed
1.3.2-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-27171.json"