Changelog for python-cjson-1.0.5-lp150.2.1.x86_64.rpm :

* Sat Jul 03 2010 Felix Schwarz - 1.0.5-2- CVE-2010-1666 (fixed by including a patch from Ubuntu, see Launchpad 585274)
* Thu Mar 20 2008 Toshio Kuratomi - 1.0.5-1- Initial Fedora build.