DCM decode in ImageMagick before 6.8.9-9 allows remote attackers to cause a denial of service (out-of-bounds read).
https://packetstormsecurity.com/files/128944/ImageMagick-Out-Of-Bounds-Read-Heap-Overflow.html
https://int21.de/cve/CVE-2014-8562-ImageMagick-dcm-oob-heap-overflow.html