Vulnerability Description
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 Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Pmqs | Compress\ | <= 2.219, \ |
Related Weaknesses (CWE)
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/ChangesProductRelease Notes
- https://www.cve.org/CVERecord?id=CVE-2026-27171Third Party Advisory
- https://www.zlib.net/Product
FAQ
What is CVE-2026-3381?
CVE-2026-3381 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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...
How severe is CVE-2026-3381?
CVE-2026-3381 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-3381?
Check the references section above for vendor advisories and patch information. Affected products include: Pmqs Compress\.