python-docx before 0.8.6 allows context-dependent attackers to conduct XML External Entity (XXE) attacks via a crafted document.
https://github.com/python-openxml/python-docx/commit/61b40b161b64173ab8e362aec1fd197948431beb
https://github.com/python-openxml/python-docx/blob/v0.8.6/HISTORY.rst
http://www.securityfocus.com/bid/91485