The png coder in ImageMagick allows remote attackers to cause a denial of service (crash).
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00009.html
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00018.html
https://bugzilla.redhat.com/show_bug.cgi?id=1343509