CVE-2026-3381

Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib

CVE-2026-3381 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-3381, released March 5, 2026. It is not reported as exploited. Patch Radar priority: Urgent.

Urgent

CVSS

9.8

Critical

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0062

50th percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
libcompress-raw-zlib-perl · Debian 12.15 (bookworm)	2.011-2	DEBIAN-CVE-2026-3381	Mar 5, 2026
libcompress-raw-zlib-perl · Debian 13.5 (trixie)	2.011-2	DEBIAN-CVE-2026-3381	Mar 5, 2026
libcompress-raw-zlib-perl · Debian 14	2.011-2	DEBIAN-CVE-2026-3381	Mar 5, 2026
perl-Compress-Raw-Zlib · opensuse-leap 16.0	2.222-bp160.1.1	OPENSUSE-SU-2026:21142-1	Jun 19, 2026

Details

Published
March 5, 2026
Weakness
Dependency on Vulnerable Third-Party Component
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-3381

For tools and AI agents

This page as data: JSON · Markdown

Link to this page

If this page saved you time, a link to it in your ticket, advisory or write-up helps others find it.

HTML

<a href="https://patchblox.com/security/cve/CVE-2026-3381">CVE-2026-3381 on Patchblox Patch Radar</a>

Reusing the data? How to credit Patch Radar.

Is this on your machines?

Patchblox finds every install below the fixed version on Windows, macOS and Linux, and updates them through your release rings.

Get a demo

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.