In HDF5 1.10.1, there is an out of bounds read vulnerability in the function H5T_conv_struct_opt in H5Tconv.c in libhdf5.a. For example, h5dump would crash when someone opens a crafted hdf5 file.
Exploitability
AV:NAC:LPR:NUI:RScope
S:UImpact
C:NI:NA:H6.5/CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H