HDF5 is a suite of tools for managing and storing different types of data from HDF, Inc. The product supports managing, manipulating, viewing and analyzing data, and generating files in portable formats.A security vulnerability exists in HDF5 v1.13.1-1, which stems from a heap-release-after-reuse in the H5AC_unpin_entry component. An attacker could exploit this vulnerability to cause a denial of service.