CVE-2012-3290
Multiple unspecified vulnerabilities in Google Chrome before 20.0.1132.22 on the Acer AC700; Samsung Series 5, 5 550, and Chromebox 3; and Cr-48 Chromebook platforms have unknown impact and attack vectors.
Date published : 2012-06-07
http://googlechromereleases.blogspot.com/2012/06/beta-channel-update-for-chromebooks.html