CVE-2025-6816: Hdfgroup HDF5

Low severity, CVSS 3.3. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability classified as problematic was found in HDF5 1.14.6. This vulnerability affects the function H5O__fsinfo_encode of the file /src/H5Ofsinfo.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.

Affected products

Published 2025-06-28. Last modified 2026-06-17.