The Chrome Web Store inline-installation implementation in the Extensions subsystem in Google Chrome before 52.0.2743.82 does not properly consider object lifetimes during progress observation, which allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via a crafted web site.
https://codereview.chromium.org/2103663002
http://www.securitytracker.com/id/1036428
http://www.securityfocus.com/bid/92053
http://www.debian.org/security/2016/dsa-3637
http://rhn.redhat.com/errata/RHSA-2016-1485.html
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00028.html
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00022.html
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00020.html
http://googlechromereleases.blogspot.com/2016/07/stable-channel-update.html