Memory leak in the NewXMLTree function in magick/xml-tree.c in ImageMagick before 6.9.4-7 allows remote attackers to cause a denial of service (memory consumption) via a crafted XML file.
https://github.com/ImageMagick/ImageMagick/commit/fc6080f1321fd21e86ef916195cc110b05d9effb
https://bugzilla.redhat.com/show_bug.cgi?id=1410449