Provide references for CVE-2018-4121.
Where can I find more information about CVE-2018-4121?
References are available at: http://www.securitytracker.com/id/1040604, https://support.apple.com/HT208698, https://security.gentoo.org/glsa/201808-04, https://support.apple.com/HT208696, https://support.apple.com/HT208693, https://support.apple.com/HT208694, https://github.com/mwrlabs/CVE-2018-4121, https://support.apple.com/HT208697, https://www.exploit-db.com/exploits/44427/, https://support.apple.com/HT208695.