Provide references for CVE-2019-8784.
Where can I find more information about CVE-2019-8784?
References are available at: https://support.apple.com/HT210727, https://support.apple.com/HT210721, https://support.apple.com/HT210722, https://support.apple.com/HT210726, https://support.apple.com/HT210728.