Multiple unspecified vulnerabilities in Google V8 before 4.1.0.21, as used in Google Chrome before 41.0.2272.76, allow attackers to cause a denial of service or possibly have other impact via unknown vectors.
http://www.ubuntu.com/usn/USN-2521-1
http://googlechromereleases.blogspot.com/2015/03/stable-channel-update.html