source: http://www.securityfocus.com/bid/17663/info

Blender is susceptible to a Python code-execution vulnerability. This issue is due to the application's failure to properly sanitize user-supplied input before using it in a Python 'eval' statement.

This issue allows attackers to execute arbitrary Python code in the context of the user running the affected application.

http://bugs.debian.org/cgi-bin/bugreport.cgi/exploit.bvh?bug=330895;msg=5;att=1
http://bugs.debian.org/cgi-bin/bugreport.cgi/poc1.bvh?bug=330895;msg=5;att=3
http://bugs.debian.org/cgi-bin/bugreport.cgi/poc2.bvh?bug=330895;msg=5;att=4