OMXCodec.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 does not validate a certain pointer, which allows remote attackers to cause a denial of service (device hang or reboot) via a crafted media file, aka internal bug 29421811.

References

• https://nvd.nist.gov/vuln/detail/CVE-2016-3899
• https://android.googlesource.com/platform/frameworks/av/+/97837bb6cbac21ea679843a0037779d3834bed64
• http://source.android.com/security/bulletin/2016-09-01.html
• http://www.securityfocus.com/bid/92821
• http://www.securitytracker.com/id/1036763