Bug 2270054 (CVE-2021-47155)

Summary: CVE-2021-47155 Net-IPv4Addr: improper handling of extraneous zero characters in an IP address string
Product: [Other] Security Response Reporter: TEJ RATHI <trathi>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
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Version: unspecifiedKeywords: Security
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OS: Linux   
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A vulnerability has been discovered in the Perl module Net-IPv4Addr, where extraneous zero characters at the start of an IP address string are not adequately handled. This flaw may enable attackers to circumvent IP address-based access controls in certain scenarios.
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Description TEJ RATHI 2024-03-18 11:15:05 UTC 
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.

https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/#net-ipv4addrhttpsmetacpanorgreleasenet-ipv4addr
https://metacpan.org/release/Net-IPv4Addr