CVE-2021-45833: Hdfgroup HDF5

Medium severity, CVSS 5.5. EPSS: 0.7% chance of exploitation in the next 30 days.

A Stack-based Buffer Overflow Vulnerability exists in HDF5 1.13.1-1 via the H5D__create_chunk_file_map_hyper function in /hdf5/src/H5Dchunk.c, which causes a Denial of Service (context-dependent).

Affected products

• Hdfgroup HDF5: version 1.13.1-1 only

Published 2022-01-05. Last modified 2026-06-17.