USN-8453-1: Net::CIDR::Lite vulnerabilities

It was discovered that Net::CIDR::Lite incorrectly validated IP address and CIDR mask inputs. An attacker could possibly use this issue to bypass IP access control lists. CVE-2026-45190 It was discovered that Net::CIDR::Lite incorrectly handled extraneous zero characters in CIDR mask values. An...

CVE-2026-45191

Net::CIDR::Lite (Perl) is affected in versions before 0.24. The flaw is in CIDR mask handling: extraneous zero characters in masks are not properly validated, causing /00 and /01 (and other zero-padded forms) to pass validation and be parsed to the same prefix as the unpadded value, potentially a...

SUSE CVE-2021-47154

The Net::CIDR::Lite module before 0.22 for Perl does not properly consider extraneous zero characters at the beginning of an IP address string, which in some situations allows attackers to bypass access control that is based on IP addresses...