CVE-2021-37501: Hdfgroup HDF5

High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days.

Buffer Overflow vulnerability in HDFGroup hdf5-h5dump 1.12.0 through 1.13.0 allows attackers to cause a denial of service via h5tools_str_sprint in /hdf5/tools/lib/h5tools_str.c.

Affected products

• Hdfgroup HDF5: from 1.12.0, up to and including 1.13.0

Published 2023-02-03. Last modified 2026-06-17.