The AcquireMagickMemory function in MagickCore/memory.c in ImageMagick before 7.0.3.3 allows remote attackers to have unspecified impact via a crafted image, which triggers a memory allocation failure.
Heap overflow in the WaveletDenoiseImage function in MagickCore/fx.c in ImageMagick before 6.9.6-4 and 7.x before 7.0.3-6 allows remote attackers to cause a denial of service (crash) via a crafted image.