CVE-2021-46243: Hdfgroup HDF5

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

An untrusted pointer dereference vulnerability exists in HDF5 v1.13.1-1 via the function H5O__dtype_decode_helper () at hdf5/src/H5Odtype.c. This vulnerability can lead 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.