The "mpglibDBL/layer3.c" file in MP3Gain 1.5.2.r2 has a vulnerability which results in a read access violation when opening a crafted MP3 file.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2017-4436
https://drive.google.com/open?id=0B9DojFnTUSNGeS1hZlJkeGVkYlU