CVE-2026-3381: Pmqs Compress::raw::zlib

Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 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.

Affected products

• Pmqs Compress::raw::zlib: up to and including 2.219

Published 2026-03-05. Last modified 2026-06-17.