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CVE-2026-3381

CRITICAL

9.8

Description

Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib. Compress::Raw::Zlib includes a copy of the zlib library. Compress::Raw::Zlib version 2.220 includes zlib 1.3.2, which addresses findings fron the 7ASecurity audit of zlib. The includes fixs for CVE-2026-27171.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/5/2026

Last Modified3/18/2026

Sourcenvd

Honeypot Sightings0

Affected Products

pmqs:compress\

Weaknesses (CWE)

CWE-1284

References

https://7asecurity.com/blog/2026/02/zlib-7asecurity-audit/(9b29abf9-4ab0-4765-b253-1875cd9b441e)

https://github.com/madler/zlib(9b29abf9-4ab0-4765-b253-1875cd9b441e)

https://github.com/madler/zlib/releases/tag/v1.3.2(9b29abf9-4ab0-4765-b253-1875cd9b441e)

https://github.com/pmqs/Compress-Raw-Zlib/issues/41(9b29abf9-4ab0-4765-b253-1875cd9b441e)

https://metacpan.org/release/PMQS/Compress-Raw-Zlib-2.221/source/Changes(9b29abf9-4ab0-4765-b253-1875cd9b441e)

https://www.cve.org/CVERecord?id=CVE-2026-27171(9b29abf9-4ab0-4765-b253-1875cd9b441e)

https://www.zlib.net/(9b29abf9-4ab0-4765-b253-1875cd9b441e)

IOC Correlations

No correlations recorded

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