Provide references for CVE-2018-4212.
Where can I find more information about CVE-2018-4212?
References are available at: https://support.apple.com/HT208695%2C, https://support.apple.com/HT208697%2C, https://support.apple.com/HT208696%2C, https://usn.ubuntu.com/3781-1/, https://support.apple.com/HT208698%2C, https://security.gentoo.org/glsa/201812-04, https://support.apple.com/HT208694, https://support.apple.com/HT208693%2C.