Provide references for CVE-2020-9976.
Where can I find more information about CVE-2020-9976?
References are available at: https://support.apple.com/HT211850, https://support.apple.com/HT211844, https://support.apple.com/HT211843, http://seclists.org/fulldisclosure/2020/Nov/19, http://seclists.org/fulldisclosure/2020/Nov/20, http://seclists.org/fulldisclosure/2020/Nov/22.