There is a missing check for length in the functions ReadDCMImage of coders/dcm.c and ReadPICTImage of coders/pict.c in ImageMagick 7.0.8-11, which allows remote attackers to cause a denial of service via a crafted image.
https://www.debian.org/security/2018/dsa-4316
https://usn.ubuntu.com/4034-1/
https://usn.ubuntu.com/3785-1/
https://lists.debian.org/debian-lts-announce/2018/10/msg00002.html
https://github.com/ImageMagick/ImageMagick/issues/1269
https://github.com/ImageMagick/ImageMagick/commit/afa878a689870c28b6994ecf3bb8dbfb2b76d135
https://github.com/ImageMagick/ImageMagick/commit/16916c8979c32765c542e216b31cee2671b7afe7
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00006.html