Provide references for CVE-2021-47156.
Where can I find more information about CVE-2021-47156?
References are available at: https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/, https://metacpan.org/release/PWBENNETT/Net-IPAddress-Util-5.000/changes, https://metacpan.org/release/Net-IPAddress-Util.