CVE-2016-1840 (apple_tv, iphone_os, mac_os_x, watchos)

libxml2, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted XML document, a different vulnerability than CVE-2016-1833, CVE-2016-1834, CVE-2016-1836, CVE-2016-1837, CVE-2016-1838, and CVE-2016-1839.

Source: CVE-2016-1840 (apple_tv, iphone_os, mac_os_x, watchos)