Use-after-free vulnerability in content/browser/service_worker/embedded_worker_instance.cc in the ServiceWorker implementation in Google Chrome before 46.0.2490.71 allows remote attackers to cause a denial of service or possibly have unspecified other impact by leveraging object destruction in a callback.
https://security.gentoo.org/glsa/201603-09
https://codereview.chromium.org/1327723005
https://code.google.com/p/chromium/issues/detail?id=529520
http://www.ubuntu.com/usn/USN-2770-2
http://www.ubuntu.com/usn/USN-2770-1
http://www.securitytracker.com/id/1033816
http://www.securityfocus.com/bid/77071
http://www.debian.org/security/2015/dsa-3376
http://rhn.redhat.com/errata/RHSA-2015-1912.html
http://googlechromereleases.blogspot.com/2015/10/stable-channel-update.html