The createCustomType function in extensions/renderer/resources/binding.js in the extension bindings in Google Chrome before 51.0.2704.79 does not validate module types, which might allow attackers to load arbitrary modules or obtain sensitive information by leveraging a poisoned definition.
http://googlechromereleases.blogspot.com/2016/06/stable-channel-update.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00003.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00005.html
https://access.redhat.com/errata/RHSA-2016:1201
https://codereview.chromium.org/1912783002