Provide references for CVE-2021-3421.
Where can I find more information about CVE-2021-3421?
References are available at: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VHRPNBCRPDJHHQE3MBPSZK4H7X2IM7AC/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMGXO3W6DHPO62GJ4VVF5DEUX5DRUR5K/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YILPBTPSBRYL4POBI3F4YUSVPSOQNJBY/, https://bugzilla.redhat.com/show_bug.cgi?id=1927747, https://security.gentoo.org/glsa/202107-43.