CVE-2021-46244: Hdfgroup HDF5

Medium severity, CVSS 6.5. EPSS: 1% chance of exploitation in the next 30 days.

A Divide By Zero vulnerability exists in HDF5 v1.13.1-1 vis the function H5T__complete_copy () at /hdf5/src/H5T.c. This vulnerability causes an aritmetic exception, leading to a Denial of Service (DoS).

Affected products

• Hdfgroup HDF5: version 1.13.1-1 only

Published 2022-01-21. Last modified 2026-06-17.