Vulnerability record · CVE-2026-3381 · published 5 March 2026

CVE-2026-3381: Pmqs compress\ vulnerability

Pmqs · Compress\

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.

9.8 CVSS 3.1 Critical EPSS 0.76% · top 46.4% CWE-1284 · CWE-1284

9.8CVSS 3.1 base score

0.76%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

7References

17 Jun 2026Last modified by NVD

Description

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Compress\ Pmqs

References

Link	Tags
https://7asecurity.com/blog/2026/02/zlib-7asecurity-audit/	Third Party Advisory
https://github.com/madler/zlib	Product
https://github.com/madler/zlib/releases/tag/v1.3.2	Release Notes
https://github.com/pmqs/Compress-Raw-Zlib/issues/41	Issue Tracking
https://metacpan.org/release/PMQS/Compress-Raw-Zlib-2.221/source/Changes	ProductRelease Notes
https://www.cve.org/CVERecord?id=CVE-2026-27171	Third Party Advisory
https://www.zlib.net/	Product

Track CVE-2026-3381 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-3381), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.