Provide references for CVE-2020-3880.
Where can I find more information about CVE-2020-3880?
References are available at: https://support.apple.com/en-us/HT210918, https://support.apple.com/en-us/HT210920, https://support.apple.com/en-us/HT210921, https://support.apple.com/en-us/HT210919.