The t2p_readwrite_pdf_image_tile function in LibTIFF allows remote attackers to cause a denial of service (out-of-bounds write and crash) or possibly execute arbitrary code via a JPEG file with a TIFFTAG_JPEGTABLES of length one.
https://security.gentoo.org/glsa/201701-16
http://www.securityfocus.com/bid/94406
http://www.openwall.com/lists/oss-security/2016/11/19/1
http://www.debian.org/security/2017/dsa-3762
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00017.html