Use-after-free vulnerability in the AudioOutputDevice::OnDeviceAuthorized function in media/audio/audio_output_device.cc in Google Chrome before 47.0.2526.73 allows attackers to cause a denial of service (heap memory corruption) or possibly have unspecified other impact by triggering access to an unauthorized audio output device.
Improper Restriction of Operations within the Bounds of a Memory Buffer The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.