Stack-based buffer overflow in DecodeBase16 function, as used in the (1) IRC module and (2) web server in eMule 0.42d, allows remote attackers to execute arbitrary code via a long string.
https://exchange.xforce.ibmcloud.com/vulnerabilities/15730
http://www.securityfocus.com/bid/10039
http://www.emule-project.net/home/perl/news.cgi?l=1&cat_id=22