CVE-2026-4176

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-4176
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.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/Perl/perl5/commit/c75ae9cc164205e1b6d6dbd57bd2c65c8593fe94 Patch
https://lists.security.metacpan.org/cve-announce/msg/37638919/ Third Party Advisory
https://metacpan.org/release/PMQS/Compress-Raw-Zlib-2.221/source/Changes Release Notes
https://metacpan.org/release/SHAY/perl-5.40.4/changes Release Notes
https://metacpan.org/release/SHAY/perl-5.42.2/changes Release Notes
https://www.cve.org/CVERecord?id=CVE-2026-3381 Third Party Advisory
http://www.openwall.com/lists/oss-security/2026/03/30/2 Mailing List Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:perl:perl:*:*:*:*:*:*:*:*
cpe:2.3:a:perl:perl:*:*:*:*:*:*:*:*
cpe:2.3:a:perl:perl:*:*:*:*:*:*:*:*
History

22 Apr 2026, 17:31

Type Values Removed Values Added
First Time Perl perl
Perl
CWE NVD-CWE-Other
CPE cpe:2.3:a:perl:perl:*:*:*:*:*:*:*:*
References () https://github.com/Perl/perl5/commit/c75ae9cc164205e1b6d6dbd57bd2c65c8593fe94 - () https://github.com/Perl/perl5/commit/c75ae9cc164205e1b6d6dbd57bd2c65c8593fe94 - Patch
References () https://lists.security.metacpan.org/cve-announce/msg/37638919/ - () https://lists.security.metacpan.org/cve-announce/msg/37638919/ - Third Party Advisory
References () https://metacpan.org/release/PMQS/Compress-Raw-Zlib-2.221/source/Changes - () https://metacpan.org/release/PMQS/Compress-Raw-Zlib-2.221/source/Changes - Release Notes
References () https://metacpan.org/release/SHAY/perl-5.40.4/changes - () https://metacpan.org/release/SHAY/perl-5.40.4/changes - Release Notes
References () https://metacpan.org/release/SHAY/perl-5.42.2/changes - () https://metacpan.org/release/SHAY/perl-5.42.2/changes - Release Notes
References () https://www.cve.org/CVERecord?id=CVE-2026-3381 - () https://www.cve.org/CVERecord?id=CVE-2026-3381 - Third Party Advisory
References () http://www.openwall.com/lists/oss-security/2026/03/30/2 - () http://www.openwall.com/lists/oss-security/2026/03/30/2 - Mailing List, Third Party Advisory
Summary
  • (es) Las versiones de Perl desde la 5.9.4 anteriores a la 5.40.4-RC1, desde la 5.41.0 anteriores a la 5.42.2-RC1, y desde la 5.43.0 anteriores a la 5.43.9 contienen una versión vulnerable de Compress::Raw::Zlib. Compress::Raw::Zlib está incluido en el paquete de Perl como un módulo central de doble vida, y es vulnerable a CVE-2026-3381 debido a una versión empaquetada de zlib que tiene varias vulnerabilidades, incluyendo CVE-2026-27171. El Compress::Raw::Zlib empaquetado fue actualizado a la versión 2.221 en el commit de Perl blead c75ae9cc164205e1b6d6dbd57bd2c65c8593fe94.

30 Mar 2026, 16:16

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 9.8

30 Mar 2026, 06:16

Type Values Removed Values Added
References
  • () http://www.openwall.com/lists/oss-security/2026/03/30/2 -

29 Mar 2026, 21:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-03-29 21:16

Updated : 2026-04-22 17:31

NVD link : CVE-2026-4176

Mitre link : CVE-2026-4176

CVE.ORG link : CVE-2026-4176

JSON object : View

Products Affected

perl

  • perl
CWE
NVD-CWE-Other