CVE-2021-47155: Perl

Critical severity, CVSS 9.1. EPSS: 0.5% chance of exploitation in the next 30 days.

The Net::IPV4Addr module 0.10 for Perl does not properly consider extraneous zero characters in an IP address string, which (in some situations) allows attackers to bypass access control that is based on IP addresses.

Affected products

• Perl Perl: version 0.10 only

Published 2024-03-18. Last modified 2026-06-17.