CVE-2026-3381 PUBLISHED

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.

Upgrade to Compress::Raw::Zlib 2.220 or later.

• https://metacpan.org/release/PMQS/Compress-Raw-Zlib-2.221/source/Changes
• https://www.zlib.net/
• https://github.com/madler/zlib
• https://github.com/madler/zlib/releases/tag/v1.3.2
• https://7asecurity.com/blog/2026/02/zlib-7asecurity-audit/
• https://www.cve.org/CVERecord?id=CVE-2026-27171

• CWE-1395 Dependency on Vulnerable Third-Party Component CWE