The (1) putcontig8bitYCbCr21tile function in tif_getimage.c or (2) NeXTDecode function in tif_next.c in LibTIFF allows remote attackers to cause a denial of service (uninitialized memory access) via a crafted TIFF image, as demonstrated by libtiff-cvs-1.tif and libtiff-cvs-2.tif.
openwall.com/lists/oss-security/2015/02/07/5
rhn.redhat.com/errata/RHSA-2016-1546.html
rhn.redhat.com/errata/RHSA-2016-1547.html
www.debian.org/security/2015/dsa-3273
www.debian.org/security/2016/dsa-3467
www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
security.gentoo.org/glsa/201701-16