In ImageMagick 7.0.5-5, the ReadMNGImage function in png.c allows attackers to cause a denial of service (memory leak) via a crafted file.Referenceshttps://github.com/ImageMagick/ImageMagick/issues/442http://www.securityfocus.com/bid/98138http://www.debian.org/security/2017/dsa-3863
