Out-of-bounds read in the PixarLogCleanup function in tif_pixarlog.c in libtiff 4.0.6 and earlier allows remote attackers to crash the application by sending a crafted TIFF image to the rgb2ycbcr tool.
lists.opensuse.org/opensuse-updates/2016-07/msg00087.html
lists.opensuse.org/opensuse-updates/2016-09/msg00060.html
lists.opensuse.org/opensuse-updates/2016-09/msg00090.html
www.debian.org/security/2017/dsa-3762
www.openwall.com/lists/oss-security/2016/06/15/3
www.securityfocus.com/bid/91203
security.gentoo.org/glsa/201701-16