Provide references for CVE-2021-1844.
Where can I find more information about CVE-2021-1844?
References are available at: https://support.apple.com/en-us/HT212220, https://support.apple.com/en-us/HT212221, https://support.apple.com/en-us/HT212222, https://support.apple.com/en-us/HT212223, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/, https://support.apple.com/kb/HT212323, http://seclists.org/fulldisclosure/2021/Apr/55, https://www.debian.org/security/2021/dsa-4923.