CVE-2026-3381

Critical

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.

SeverityCritical

CVSS9.8

Exploit probability—

ProductPmqs Compress\

PublishedMar 5, 2026

First seenMar 5, 2026

Weakness typeCWE-1395CWE-1395

How to fix

Vendor advisories

metacpan.org/release/PMQS/Compress-Raw-Zlib-2.221/source/Changes
github.com/madler/zlib/releases/tag/v1.3.2
cve.org/CVERecord?id=CVE-2026-27171

Affected products

Product	Affected versions	Fixed in
pmqs compress\	\ ≤ v ≤ 2.219	—

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