Critical 9.8Published Mar 5, 2026

CVE-2026-3381Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib.

Updated under an hour ago (2026-10-19 06:20 UTC)

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It affects pmqs compress::raw::zlib. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for pmqs compress::raw::zlib

Exploited in the last 30 days

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.

CVSS: 9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-1284
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

pmqs compress::raw::zlib pmqs:compress::raw::zlib	through 2.219	NVD

References

https://7asecurity.com/blog/2026/02/zlib-7asecurity-audit/third-party-advisory
https://github.com/madler/zlibproduct
https://github.com/madler/zlib/releases/tag/v1.3.2release-notes
https://github.com/pmqs/Compress-Raw-Zlib/issues/41issue-tracking
https://metacpan.org/release/PMQS/Compress-Raw-Zlib-2.221/source/Changesproduct, release-notes
https://www.cve.org/CVERecord?id=CVE-2026-27171third-party-advisory
https://www.zlib.net/product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.