It was found that tools/tiffcrop.c in libtiff 4.0.6 has an out-of-bounds read in readContigTilesIntoBuffer() Upstream patch: https://github.com/vadz/libtiff/commit/ae9365db1b271b62b35ce018eac8799b1d5e8a53
Created libtiff tracking bugs for this issue: Affects: fedora-all [bug 1397781]
Created mingw-libtiff tracking bugs for this issue: Affects: fedora-all [bug 1397782] Affects: epel-7 [bug 1397783]