In ImageMagick the ReadMPCImage function in mpc.c allows attackers to cause a denial of service (memory leak) via a crafted file. Upstream issue: https://github.com/ImageMagick/ImageMagick/issues/458 Upstream patch: https://github.com/ImageMagick/ImageMagick/commit/53ff6cadfa2051296d3bd67c06a693043222c4d6