The DOM implementation in Google Chrome before 48.0.2564.109 does not properly restrict frame-attach operations from occurring during or after frame-detach operations, which allows remote attackers to bypass the Same Origin Policy via a crafted web site, related to FrameLoader.cpp, HTMLFrameOwnerElement.h, LocalFrame.cpp, and WebLocalFrameImpl.cpp.
https://security.gentoo.org/glsa/201603-09
https://codereview.chromium.org/1659013003
https://code.google.com/p/chromium/issues/detail?id=577105
http://www.ubuntu.com/usn/USN-2895-1
http://www.securitytracker.com/id/1035183
http://www.securityfocus.com/bid/83125
http://www.debian.org/security/2016/dsa-3486
http://rhn.redhat.com/errata/RHSA-2016-0241.html
http://lists.opensuse.org/opensuse-updates/2016-02/msg00119.html
http://lists.opensuse.org/opensuse-updates/2016-02/msg00104.html
http://googlechromereleases.blogspot.com/2016/02/stable-channel-update_9.html