PT-2026-28638

CVE-2026-4176

Published

2026-03-29

Updated

2026-07-13

Description by

CVSS 2.0

Critical

MetricsAV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Perl versions 5.9.4 through 5.40.4-RC1 Perl versions 5.41.0 through 5.42.2-RC1 Perl versions 5.43.0 through 5.43.9

Description Perl includes a vulnerable version of Compress::Raw::Zlib. The issue is related to the Compress::Raw::Zlib module.

Recommendations Upgrade Perl to a version after 5.40.4-RC1. Upgrade Perl to a version after 5.42.2-RC1. Upgrade Perl to a version after 5.43.9. Install Compress::Raw::Zlib 2.220 or later from CPAN.

Exploitability

Exploit

Fix

Impacts

Researchers

Vendors

Affected products

Weakness enumeration

CWE-664: Improper Control of a Resource Through its Lifetime

CWE-1395: Dependency on Vulnerable Third-Party Component

Related identifiers

CVE-2026-4176