CVE-2016-1655
Google Chrome before 50.0.2661.75 does not properly consider that frame removal may occur during callback execution, which allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via a crafted extension.
Date published : 2016-04-18
http://googlechromereleases.blogspot.com/2016/04/stable-channel-update_13.html