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.

References

• https://nvd.nist.gov/vuln/detail/CVE-2012-2921
• https://code.google.com/p/feedparser/source/browse/trunk/NEWS?spec=svn706&r=706
• https://code.google.com/p/feedparser/source/detail?r=703&path=/trunk/feedparser/feedparser.py
• GHSA-hjf3-r7gw-9rwg
• https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0157
• http://freecode.com/projects/feedparser/releases/344371
• http://osvdb.org/81701
• http://secunia.com/advisories/49256
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:118
• http://www.securityfocus.com/bid/53654