wget https://github.com/mudongliang/source-packages/raw/master/CVE-2017-9207/imageworsener-1.3.1.tar.gz 

imagew $FILE /tmp/out -outfmt bmp 

Address 0x608000004070 is a wild pointer. SUMMARY: AddressSanitizer: heap-buffer-overflow /var/tmp/portage/media-gfx/imageworsener-1.3.1/work/imageworsener-1.3.1/src/imagew-util.c:422:24 in iw_get_ui16be 

==9198==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x608000004070 at pc 0x7ffb620f1b97 bp 0x7fff09707940 sp 0x7fff09707938 READ of size 1 at 0x608000004070 thread T0 #0 0x7ffb620f1b96 in iw_get_ui16be /var/tmp/portage/media-gfx/imageworsener-1.3.1/work/imageworsener-1.3.1/src/imagew-util.c:422:24 #1 0x7ffb620f1b96 in iw_get_ui16_e /var/tmp/portage/media-gfx/imageworsener-1.3.1/work/imageworsener-1.3.1/src/imagew-util.c:436 #2 0x7ffb620b8008 in iwjpeg_scan_exif_ifd /var/tmp/portage/media-gfx/imageworsener-1.3.1/work/imageworsener-1.3.1/src/imagew-jpeg.c:130:14 #3 0x7ffb620b8008 in iwjpeg_scan_exif /var/tmp/portage/media-gfx/imageworsener-1.3.1/work/imageworsener-1.3.1/src/imagew-jpeg.c:182 #4 0x7ffb620b8008 in iwjpeg_read_saved_markers /var/tmp/portage/media-gfx/imageworsener-1.3.1/work/imageworsener-1.3.1/src/imagew-jpeg.c:205 #5 0x7ffb620b8008 in iw_read_jpeg_file /var/tmp/portage/media-gfx/imageworsener-1.3.1/work/imageworsener-1.3.1/src/imagew-jpeg.c:430 #6 0x7ffb6202821d in iw_read_file_by_fmt /var/tmp/portage/media-gfx/imageworsener-1.3.1/work/imageworsener-1.3.1/src/imagew-allfmts.c:43:12 #7 0x510184 in iwcmd_run /var/tmp/portage/media-gfx/imageworsener-1.3.1/work/imageworsener-1.3.1/src/imagew-cmd.c:1191:6 #8 0x50c1a6 in iwcmd_main /var/tmp/portage/media-gfx/imageworsener-1.3.1/work/imageworsener-1.3.1/src/imagew-cmd.c:3018:7 #9 0x50c1a6 in main /var/tmp/portage/media-gfx/imageworsener-1.3.1/work/imageworsener-1.3.1/src/imagew-cmd.c:3067 #10 0x7ffb61031680 in __libc_start_main /tmp/portage/sys-libs/glibc-2.23-r3/work/glibc-2.23/csu/../csu/libc-start.c:289 #11 0x41b048 in _init (/usr/bin/imagew+0x41b048)