An issue was discovered in the HDF HDF5 1.8.20 library. There is a stack-based buffer overflow in the function H5FD_sec2_read in H5FDsec2.c, related to HDmemset. References: https://github.com/TeamSeri0us/pocs/tree/master/hdf5
Created hdf5 tracking bugs for this issue: Affects: epel-all [bug 1607610] Affects: fedora-all [bug 1607609]