The getHiddenProperty function in bindings/core/v8/V8EventListenerList.h in Blink, as used in Google Chrome before 41.0.2272.76, has a name conflict with the AudioContext class, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via JavaScript code that adds an AudioContext event listener and triggers “type confusion.”
googlechromereleases.blogspot.com/2015/03/stable-channel-update.html
rhn.redhat.com/errata/RHSA-2015-0627.html
www.securityfocus.com/bid/72901
www.ubuntu.com/usn/USN-2521-1
code.google.com/p/chromium/issues/detail?id=449610
security.gentoo.org/glsa/201503-12
src.chromium.org/viewvc/blink?revision=189006&view=revision