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.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.