A vulnerability has been found in HDF5 up to 1.14.6 and classified as critical. This vulnerability affects the function H5F_addr_decode_len of the file /hdf5/src/H5Fint.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - A vulnerability has been found in HDF5 up to 1.14.6 and classified as critical. This vulnerability affects
    the function H5F_addr_decode_len of the file /hdf5/src/H5Fint.c. The manipulation leads to heap-based
    buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and
    may be used. (CVE-2025-6516)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:23731 advisory.

    RPM packages are internal build artifacts and not supported on their own.
    They are only supported as part of the RHEL AI application image.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A vulnerability has been found in HDF5 up to 1.14.6 and classified as critical. This vulnerability affects     the function H5F_addr_decode_len of the file /hdf5/src/H5Fint.c. The manipulation leads to heap-based     buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and     may be used. (CVE-2025-6516)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Type	Severity
459962	Echo: hdf5: security update to 1.14.5+repack-3+e7	Tenable Cloud Security	Echo Local Security Checks	Local	medium
459962	Echo: hdf5: security update to 1.14.5+repack-3+e7	Tenable Self-Hosted Container Security	Echo Local Security Checks	Local	medium
279525	RHEL 9 : RHEL AI 3.0 hdf5 (RHSA-2025:23731)	Nessus	Red Hat Local Security Checks	Local	medium
257391	Linux Distros Unpatched Vulnerability : CVE-2025-6516	Nessus	Misc.	Local	medium

Detections

Analytics

CVE-2025-6516

medium

Tenable Plugins

medium

medium

medium

medium