2008.09.25 10:05 "Re: [Tiff] tiffinfo dies when run against specific test file", by Gerben Vos
$ tiffinfo RAW_LEICA_M8.DNG
EXIFIFDOffset: 764
TIFF Directory at offset 0x2fc (764)
Segmentation fault
Looks like this is caused by libtiff's lack of proper EXIF support.
Gerben.