CVE-2025-6750: HDF5 H5Omtime.c H5O__mtime_new_encode heap-based overflow

Published Jun 27, 2025
·
Updated

A vulnerability, which was classified as problematic, has been found in HDF5 1.14.6. Affected by this issue is the function H5Omtimenewencode of the file src/H5Omtime.c. The manipulation leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.

Other sources

HDF5 H5Omtime.c H5Omtimenewencode heap-based overflow

Microsoft

Affected Software

6 affected componentsFixes available
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 27, 2025
CVE Published
via MITRE·02:31 AM
Data Sourced
via MITRE·02:31 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:15 AM
DescriptionSeverityWeaknessAffected Software
Sep 3, 2025
Data Sourced
via Microsoft·11:39 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·11:39 PM
SeverityAffected Software
Updated
via Microsoft·11:39 PM
Affected Software
Updated
via Microsoft·11:39 PM
DescriptionSeverity
Jun 11, 58473
Event
via NVD·11:07 PM
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Frequently Asked Questions

1

What is the severity of CVE-2025-6750?

CVE-2025-6750 is classified as problematic due to its potential for heap-based buffer overflow.

2

How do I fix CVE-2025-6750?

To fix CVE-2025-6750, you should upgrade to the latest version of HDF5 that addresses this vulnerability.

3

What causes CVE-2025-6750?

CVE-2025-6750 is caused by a vulnerability in the H5O__mtime_new_encode function within HDF5 1.14.6.

4

Who is affected by CVE-2025-6750?

CVE-2025-6750 affects users of HDF5 version 1.14.6, specifically related to local exploitation.

5

Is CVE-2025-6750 a local or remote vulnerability?

CVE-2025-6750 requires local access to exploit the heap-based buffer overflow.

Contact

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