Universal Feed Parser (aka feedparser or python-feedparser) before 5.1.2 allows remote attackers to cause a denial of service (memory consumption) via a crafted XML ENTITY declaration in a non-ASCII encoded document.
https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0157
https://code.google.com/p/feedparser/source/detail?r=703&path=/trunk/feedparser/feedparser.py
https://code.google.com/p/feedparser/source/browse/trunk/NEWS?spec=svn706&r=706
http://www.securityfocus.com/bid/53654
http://www.mandriva.com/security/advisories?name=MDVSA-2013:118