Off-by-one error in the t2p_readwrite_pdf_image_tile function in tools/tiff2pdf.c in LibTIFF 4.0.7 allows remote attackers to have unspecified impact via a crafted image.
https://blogs.gentoo.org/ago/2017/01/01/libtiff-multiple-heap-based-buffer-overflow/
http://www.securityfocus.com/bid/95214
http://www.openwall.com/lists/oss-security/2017/01/01/12