CVE-2011-4719
Multiple unspecified vulnerabilities in Google Chrome before 16.0.912.63 on the Acer AC700, Samsung Series 5, and Cr-48 Chromebook platforms have unknown impact and attack vectors.
Date published : 2011-12-09
http://googlechromereleases.blogspot.com/2011/12/beta-channel-update-for-chromebooks.html