The ContainerNode::parserRemoveChild function in WebKit/Source/core/dom/ContainerNode.cpp in Blink, as used in Google Chrome before 49.0.2623.75, mishandles widget updates, which makes it easier for remote attackers to bypass the Same Origin Policy via a crafted web site. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-1630
