CVE-2025-6816

Name of the Vulnerable Software and Affected Versions: HDF5 version 1.14.6

Description: A vulnerability was found in HDF5, affecting 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.

Recommendations: For HDF5 version 1.14.6, as a temporary workaround, consider disabling the H5O fsinfo encode function until a patch is available. Restrict access to the /src/H5Ofsinfo.c file to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.