CVE-2016-1694
browser/browsing_data/browsing_data_remover.cc in Google Chrome before 51.0.2704.63 deletes HPKP pins during cache clearing, which makes it easier for remote attackers to spoof web sites via a valid certificate from an arbitrary recognized Certification Authority.
Date published : 2016-06-05
http://www.securityfocus.com/bid/90876
http://googlechromereleases.blogspot.com/2016/05/stable-channel-update_25.html