Memory leak in coders/mpc.c in ImageMagick before 6.9.7-4 and 7.x before 7.0.4-4 allows remote attackers to cause a denial of service (memory consumption) via vectors involving a pixel cache.
https://security.gentoo.org/glsa/201702-09
https://github.com/ImageMagick/ImageMagick/commit/66e283e0a9c141b19fe6c4c39f4a41c0d3188ba8
https://github.com/ImageMagick/ImageMagick/blob/7.0.4-4/ChangeLog
https://github.com/ImageMagick/ImageMagick/blob/6.9.7-4/ChangeLog
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=851382
http://www.securityfocus.com/bid/95752
http://www.openwall.com/lists/oss-security/2017/01/17/5