In ReadOneJNGImage in coders/png.c in GraphicsMagick before 1.3.27, a null pointer dereference occurs while transferring JPEG scanlines, related to a PixelPacket pointer.
In ReadOneJNGImage in coders/png.c in GraphicsMagick before 1.3.27, a null pointer dereference occurs while transferring JPEG scanlines, related to a PixelPacket pointer.
https://sourceforge.net/p/graphicsmagick/bugs/518/ http://hg.code.sf.net/p/graphicsmagick/code/rev/da135eaedc3b http://hg.code.sf.net/p/graphicsmagick/code/rev/6fc54b6d2be8