Provide references for CVE-2021-30916.
Where can I find more information about CVE-2021-30916?
References are available at: https://support.apple.com/en-us/HT212869, https://support.apple.com/en-us/HT212871, https://support.apple.com/en-us/HT212872, https://support.apple.com/en-us/HT212867, https://support.apple.com/en-us/HT212868, https://support.apple.com/kb/HT212975, https://support.apple.com/kb/HT212980, http://seclists.org/fulldisclosure/2021/Dec/43, http://seclists.org/fulldisclosure/2021/Dec/44.