I just ran avdump on all of the files I had around, and it crashes when run on this file without displaying any information:
http://www.anidb.info/f14303
I don't know what is causing the problem, but I didn't have a crash on any of the other 4000+ files I tested. This particular file seems rather old and LQ.
avdump crashes on a file
Moderator: AniDB
Another file crash: http://anidb.info/f20640