CVE-2025-6816: HDF5 H5Ofsinfo.c H5O__fsinfo_encode heap-based overflow

Published Jun 28, 2025
·
Updated

A vulnerability classified as problematic was found in HDF5 1.14.6. This vulnerability affects the function H5Ofsinfoencode 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.

Other sources

HDF5 H5Ofsinfo.c H5Ofsinfoencode heap-based overflow

Microsoft

Affected Software

6 affected componentsFixes available
The HDF Group HDF5
HDFGroup hdf5=1.14.6
Microsoft azl3 hdf5 1.14.4.3-1
Microsoft cbl2 hdf5 1.14.4-1
Microsoft cbl2 hdf5 1.14.4-1
Microsoft cbl2 hdf5 1.14.6-1

Event History

Jun 28, 2025
CVE Published
via MITRE·08:00 AM
Data Sourced
via MITRE·08:00 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:15 AM
DescriptionSeverityWeaknessAffected Software
Sep 3, 2025
Data Sourced
via Microsoft·11:25 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·11:25 PM
SeverityAffected Software
Updated
via Microsoft·11:25 PM
Affected Software
Updated
via Microsoft·11:25 PM
DescriptionSeverity
Jun 14, 58473
Event
via NVD·06:51 AM
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Frequently Asked Questions

1

What is the severity of CVE-2025-6816?

CVE-2025-6816 is classified as a problematic vulnerability due to its potential for causing a heap-based buffer overflow.

2

How can I fix CVE-2025-6816?

To fix CVE-2025-6816, update HDF5 to the latest available version that addresses this vulnerability.

3

Which versions of HDF5 are affected by CVE-2025-6816?

CVE-2025-6816 affects HDF5 version 1.14.6.

4

What type of attack can exploit CVE-2025-6816?

CVE-2025-6816 can be exploited through a local heap-based buffer overflow attack.

5

Who is the vendor of the affected software for CVE-2025-6816?

The vendor of the affected software is The HDF Group.

Contact

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