Multiple buffer overflows in rtsp/ASessionDescription.cpp in libstagefright in mediaserver in Android 4.x before 4.4.4 5.0.x before 5.0.2 5.1.x before 5.1.1 6.x before 2016-09-01 and 7.0 before 2016-09-01 allow remote attackers to cause a denial of service (device hang or reboot) via a crafted media file aka internal bug 25747670.