Davenport before 0.9.10 allows attackers to cause a denial of service (resource consumption) via (1) a very large XML file or (2) entity expansion attacks.
https://exchange.xforce.ibmcloud.com/vulnerabilities/17062
http://www.securityfocus.com/bid/11001
http://sourceforge.net/project/shownotes.php?release_id=262497
http://sourceforge.net/mailarchive/forum.php?thread_id=5385243&forum_id=33977