Google Chrome before 25.0.1364.97 on Windows and Linux, and before 25.0.1364.99 on Mac OS X, does not properly load Native Client (aka NaCl) code, which has unspecified impact and attack vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16101
https://code.google.com/p/chromium/issues/detail?id=172984
http://lists.opensuse.org/opensuse-updates/2013-03/msg00045.html
http://googlechromereleases.blogspot.com/2013/02/stable-channel-update_21.html