In ImageMagick 7.0.8-36 Q16, there is a heap-based buffer over-read in the function WriteTIFFImage of coders/tiff.c, which allows an attacker to cause a denial of service or information disclosure via a crafted image file.
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00010.html
https://github.com/ImageMagick/ImageMagick/issues/1532
https://lists.debian.org/debian-lts-announce/2019/05/msg00015.html
https://seclists.org/bugtraq/2019/Apr/37