In ImageMagick 7.0.5-7 Q16, a crafted file could trigger an assertion failure in the WriteBlob function in MagickCore/blob.c because of missing checks in the ReadOneJNGImage function in coders/png.c.Referenceshttp://www.securityfocus.com/bid/98683http://www.debian.org/security/2017/dsa-3863https://github.com/ImageMagick/ImageMagick/issues/490https://github.com/ImageMagick/ImageMagick/commit/f0232a2a45dfd003c1faf6079497895df3ab0ee1
