Provide references for CVE-2021-33621.
Where can I find more information about CVE-2021-33621?
References are available at: https://www.ruby-lang.org/en/news/2022/11/22/http-response-splitting-in-cgi-cve-2021-33621/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DQR7LWED6VAPD5ATYOBZIGJQPCUBRJBX/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YACE6ORF2QBXXBK2V2CM36D7TZMEJVAS/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/THVTYHHEOVLQFCFHWURZYO7PVUPBHRZD/, https://security.netapp.com/advisory/ntap-20221228-0004/, https://lists.debian.org/debian-lts-announce/2023/06/msg00012.html, https://security.gentoo.org/glsa/202401-27.