In ImageMagick 7.0.7-17 Q16, there are memory leaks in ReadPATTERNImage in coders/pattern.c.
ImageMagick 7.0.7-22 Q16 has memory leaks in the ReadDCMImage function in coders/dcm.c.
ImageMagick 7.0.6-6 has a memory leak in ReadMATImage in coders/mat.c.
The ReadMATImage function in coders/mat.c in ImageMagick through 6.9.9-3 and 7.x through 7.0.6-3 has memory leaks involving the quantum_info and clone_info data structures.
In ImageMagick 7.0.7-17 Q16, there is a Memory Leak in ReadPWPImage in coders/pwp.c.