Multiple use-after-free vulnerabilities in the ServiceWorkerScriptCacheMap implementation in content/browser/service_worker/service_worker_script_cache_map.cc in Google Chrome before 41.0.2272.76 allow remote attackers to cause a denial of service or possibly have unspecified other impact via vectors that trigger a ServiceWorkerContextWrapper::DeleteAndStartOver call, related to the NotifyStartedCaching and NotifyFinishedCaching functions.
https://security.gentoo.org/glsa/201503-12
https://codereview.chromium.org/798883005
https://code.google.com/p/chromium/issues/detail?id=448082
http://www.ubuntu.com/usn/USN-2521-1
http://www.securityfocus.com/bid/72901
http://rhn.redhat.com/errata/RHSA-2015-0627.html
http://googlechromereleases.blogspot.com/2015/03/stable-channel-update.html