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.
Created hdf5 tracking bugs for this issue:
Affects: epel-all [bug 1524917]
Affects: fedora-all [bug 1524918]
Affects: openshift-1 [bug 1524919]
Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Whilst the package shipped with Red Hat OpenStack contains the vulnerable code, the packages that use HDF5 do not expose the vulnerable functionality.