Use-after-free vulnerability in content/renderer/media/webaudio_capturer_source.cc in the WebAudio implementation in Google Chrome before 43.0.2357.65 allows remote attackers to cause a denial of service (heap memory corruption) or possibly have unspecified other impact by leveraging improper handling of a stop action for an audio track.
https://security.gentoo.org/glsa/201506-04
https://codereview.chromium.org/1071063005
https://code.google.com/p/chromium/issues/detail?id=473253
http://www.securitytracker.com/id/1032375
http://www.securityfocus.com/bid/74723
http://www.debian.org/security/2015/dsa-3267
http://lists.opensuse.org/opensuse-updates/2015-11/msg00015.html
http://lists.opensuse.org/opensuse-updates/2015-05/msg00091.html
http://googlechromereleases.blogspot.com/2015/05/stable-channel-update_19.html