coders/tiff.c in ImageMagick before 6.9.5-3 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted TIFF file.
https://security.gentoo.org/glsa/201611-21
https://bugzilla.redhat.com/show_bug.cgi?id=1354500
http://git.imagemagick.org/repos/ImageMagick/commit/c20de102cc57f3739a8870f79e728e3b0bea18c0