An issue was discovered in the HDF HDF5 1.8.20 library. There is a heap-based buffer over-read in the function H5Tcopy in H5T.c.
An issue was discovered in the HDF HDF5 1.8.20 library. There is a memcpy parameter overlap in the function H5Olinkdecode in H5Olink.c.
An issue was discovered in the HDF HDF5 1.8.20 library. There is a stack-based buffer overflow in the function H5FDsec2read in H5FDsec2.c, related to HDmemset.