The telephony component in Android 4.x before 4.4.4 5.0.x before 5.0.2 5.1.x before 5.1.1 and 6.x before 2016-08-01 allows remote attackers to cause a denial of service (device crash) via a NITZ time value of 2038-01-19 or later that is mishandled by the system clock aka internal bug 29083635 related to a \Year 2038 problem.\