Provide references for CVE-2021-28965.
Where can I find more information about CVE-2021-28965?
References are available at: https://www.ruby-lang.org/en/news/2021/04/05/xml-round-trip-vulnerability-in-rexml-cve-2021-28965/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WTVFTLFVCSUE5CXHINJEUCKSHU4SWDMT/, https://security.netapp.com/advisory/ntap-20210528-0003/.