system
Describe <CVE-2016-4623>.
user
What is <CVE-2016-4623>?
assistant
WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, a different vulnerability than CVE-2016-4589, CVE-2016-4622, and CVE-2016-4624..