Google Chrome before 30.0.1599.66 preserves pending NavigationEntry objects in certain invalid circumstances, which allows remote attackers to spoof the address bar via a URL with a malformed scheme, as demonstrated by a nonexistent:12121 URL.
https://src.chromium.org/viewvc/chrome?revision=222146&view=revision
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18319
https://code.google.com/p/chromium/issues/detail?id=280512
http://www.debian.org/security/2013/dsa-2785
http://lists.opensuse.org/opensuse-updates/2014-01/msg00042.html
http://lists.opensuse.org/opensuse-security-announce/2013-12/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2013-10/msg00002.html
http://googlechromereleases.blogspot.com/2013/10/stable-channel-update.html