CVE-2026-3381

Summary

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 Software

Weaknesses

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

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: total

References

• 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
• https://github.com/pmqs/Compress-Raw-Zlib/issues/41

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