A vulnerability was found in the Perl module Net::CIDR::Lite, 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.
blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/
bugzilla.redhat.com/show_bug.cgi?id=2270058
github.com/stigtsp/Net-CIDR-Lite/commit/23b6ff0590dc279521863a502e890ef19a5a76fc
metacpan.org/dist/Net-CIDR-Lite/changes
metacpan.org/pod/Net::CIDR::Lite
nvd.nist.gov/vuln/detail/CVE-2021-47154
www.cve.org/CVERecord?id=CVE-2021-47154