Google Chrome before 38.0.2125.101 allows remote attackers to spoof the address bar by placing a blob: substring at the beginning of the URL, followed by the original URI scheme and a long username string.
http://googlechromereleases.blogspot.com/2014/11/stable-channel-update_18.html
http://rhn.redhat.com/errata/RHSA-2014-1894.html
https://code.google.com/p/chromium/issues/detail?id=389734
http://secunia.com/advisories/60194
https://exchange.xforce.ibmcloud.com/vulnerabilities/98787
https://src.chromium.org/viewvc/chrome?revision=279232&view=revision