Provide references for CVE-2021-1797.
Where can I find more information about CVE-2021-1797?
References are available at: https://support.apple.com/en-us/HT212147, https://support.apple.com/en-us/HT212146, https://support.apple.com/en-us/HT212148, https://support.apple.com/en-us/HT212149, https://support.apple.com/kb/HT212326, https://support.apple.com/kb/HT212327, http://seclists.org/fulldisclosure/2021/Apr/51.