Provide references for CVE-2020-9947.
Where can I find more information about CVE-2020-9947?
References are available at: https://support.apple.com/en-us/HT211843, https://support.apple.com/en-us/HT211850, https://support.apple.com/en-us/HT211844, https://support.apple.com/en-us/HT211935, https://support.apple.com/en-us/HT211952, https://support.apple.com/en-us/HT211845, http://www.openwall.com/lists/oss-security/2021/03/22/1, https://security.gentoo.org/glsa/202104-03.