CVE-2021-45830: Hdfgroup HDF5

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

A heap-based buffer overflow vulnerability exists in HDF5 1.13.1-1 via H5F_addr_decode_len in /hdf5/src/H5Fint.c, which could cause a Denial of Service.

Affected products

• Hdfgroup HDF5: version 1.13.1-1 only

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