In ImageMagick the ReadICONImage function in icon.c:452 allows attackers to cause a denial of service (memory leak) via a crafted file. Upstream issue: https://github.com/ImageMagick/ImageMagick/issues/457 Upstream patch: https://github.com/ImageMagick/ImageMagick/commit/fbb14283450d3001403e7d9725566dd4fb2c3bb5