Use-after-free vulnerability in Google Chrome before 26.0.1410.43 on Linux allows remote attackers to cause a denial of service or possibly have unspecified other impact by leveraging the presence of an extension that creates a pop-up window.
https://code.google.com/p/chromium/issues/detail?id=178760
http://googlechromereleases.blogspot.com/2013/03/stable-channel-update_26.html