There's a security vulnerability in ImageMagick, fixed in the latest version. * Heap overflow (CVE-2016-9298) https://github.com/ImageMagick/ImageMagick/issues/296
More info here, CVE request: * http://seclists.org/oss-sec/2016/q4/413
A commit references this bug: Author: feld Date: Sun Dec 4 22:52:26 UTC 2016 New revision: 427815 URL: https://svnweb.freebsd.org/changeset/ports/427815 Log: Document ImageMagick vulnerability PR: 214520 Security: CVE-2016-9298 Changes: head/security/vuxml/vuln.xml