PT-2026-28638 · Shay · Perl

Bernhard Schmalhofer · Published 2026-03-29 · Updated 2026-03-30 · CVE-2026-4176

X.com · Oss Security

CVE-2026-4176: Perl: Bundled vulnerable version of Compress::Raw::Zlib https://t.co/E0wq0S7REz Affects Perl versions from 5.9.4 before 5.40.4-RC1, from 5.41.0 before 5.42.2-RC1, from 5.43.0 before 5.43.9. Upgrade Perl or install Compress::Raw::Zlib 2.220 or later from CPAN.

Weakness Enumeration

CWE-1395

Related Identifiers

CVE-2026-4176

Affected Products

Perl

References · 9

• https://github.com/Perl/perl5/commit/c75ae9cc164205e1b6d6dbd57bd2c65c8593fe94 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-4176 · Security Note
• https://lists.security.metacpan.org/cve-announce/msg/37638919 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-3381 · Security Note
• https://metacpan.org/release/PMQS/Compress-Raw-Zlib-2.221/source/Changes · Note
• https://metacpan.org/release/SHAY/perl-5.40.4/changes · Note
• https://metacpan.org/release/SHAY/perl-5.42.2/changes · Note
• http://openwall.com/lists/oss-security/2026/03/30/2 · Note
• https://twitter.com/oss_security/status/2038460587919782217 · Twitter Post