Use-after-free vulnerability in the UI in Google Chrome before 20.0.1132.43 on Mac OS X allows attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.Referenceshttp://googlechromereleases.blogspot.com/2012/06/stable-channel-update_26.htmlhttp://code.google.com/p/chromium/issues/detail?id=129826
