Multiple heap-based buffer overflows in the (1) abc_MIDI_drum and (2) abc_MIDI_gchord functions in load_abc.cpp in libmodplug 0.8.8.4 and earlier allow remote attackers to cause a denial of service (memory corruption and crash) and possibly execute arbitrary code via a crafted ABC.
http://www.securityfocus.com/bid/61714
http://www.debian.org/security/2013/dsa-2751