LIBSNDFILE.DLL, as used by AOL Nullsoft Winamp 5.33 and possibly other products, allows remote attackers to execute arbitrary code via a crafted .MAT file that contains a value that is used as an offset, which triggers memory corruption.
https://exchange.xforce.ibmcloud.com/vulnerabilities/33481
http://www.vupen.com/english/advisories/2007/1286
http://www.securitytracker.com/id?1017886
http://www.securityfocus.com/bid/23351
http://www.securityfocus.com/archive/1/464889/100/0/threaded
http://www.piotrbania.com/all/adv/nullsoft-winamp-libsndfile-adv.txt
http://securityreason.com/securityalert/2541