In EffectRelease of EffectBundle.cpp, there is a possible memory corruption due to a double free. This could lead to local escalation of privilege in the audio server with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-123237974.