VDB
CVE-2026-4176
CVE-2026-4176
PUBLISHED
CVSS 9.800000190734863 CRITICAL
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 contain a vulnerable version of Compress::Raw::Zlib. Compress::Raw::Zlib is included in the Perl package as a dual-life core module, and is vulnerable to CVE-2026-3381 due to a vendored version of zlib which has several vulnerabilities, including CVE-2026-27171. The bundled Compress::Raw::Zlib was updated to version 2.221 in Perl blead commit c75ae9cc164205e1b6d6dbd57bd2c65c8593fe94.
EPSS 0.03% · 7.9th percentile
Risk Scores
CVSS v3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.03%
7.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| SHAY | perl | 5.9.4, 5.43.0, 5.41.0 |
Timeline
- Mar 29, 2026 CVE Published
- Mar 29, 2026 PoC Published
- Mar 29, 2026 PoC Published
- Mar 29, 2026 PoC Published
- Mar 29, 2026 Security Advisory
- Mar 30, 2026 EPSS Score
- Mar 30, 2026 PoC Published
- Mar 30, 2026 PoC Published
- Mar 30, 2026 CVE Updated
- Mar 30, 2026 PoC Published
- Mar 30, 2026 PoC Published
- Apr 6, 2026 PoC Published
References
- https://www.cve.org/CVERecord?id=CVE-2026-3381 vendor-advisory
- https://lists.security.metacpan.org/cve-announce/msg/37638919/ vendor-advisory
- https://github.com/Perl/perl5/commit/c75ae9cc164205e1b6d6dbd57bd2c65c8593fe94 patch
- https://metacpan.org/release/PMQS/Compress-Raw-Zlib-2.221/source/Changes url
- https://metacpan.org/release/SHAY/perl-5.40.4/changes url
- https://metacpan.org/release/SHAY/perl-5.42.2/changes url
- https://nvd.nist.gov/vuln/detail/CVE-2026-4176 advisory
- https://lists.security.metacpan.org/cve-announce/msg/37638919 url
- http://www.openwall.com/lists/oss-security/2026/03/30/2 url