Provide references for CVE-2020-9967.
Where can I find more information about CVE-2020-9967?
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/HT211931, https://support.apple.com/en-us/HT212011, http://packetstormsecurity.com/files/163501/XNU-Network-Stack-Kernel-Heap-Overflow.html.