The drag-and-drop implementation in Google Chrome before 21.0.1180.57 on Mac OS X and Linux, and before 21.0.1180.60 on Windows and Chrome Frame, allows user-assisted remote attackers to bypass intended file access restrictions via a crafted web site.
Gentoo Linux Security Advisory 201208-3 - Multiple vulnerabilities have been reported in Chromium, some of which may allow execution of arbitrary code. Versions less than 21.0.1180.57 are affected.