CVE-2025-6817

Public Exploit
HDF5 H5Centry.c H5C__load_entry resource consumption

Description

A vulnerability, which was classified as problematic, has been found in HDF5 1.14.6. This issue affects the function H5C__load_entry of the file /src/H5Centry.c. The manipulation leads to resource consumption. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.

Category

4.8
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.01%
Third-Party Advisory vuldb.com Third-Party Advisory vuldb.com
Affected: n/a HDF5
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.314255 third party advisory vdb entry technical description
https://vuldb.com/?ctiid.314255 signature permissions required vdb entry
https://vuldb.com/?submit.602294 third party advisory vdb entry
https://github.com/HDFGroup/hdf5/issues/5572 issue tracking exploit
https://github.com/user-attachments/files/20623368/hdf5_crash_4.txt exploit

Frequently Asked Questions

What is the severity of CVE-2025-6817?
CVE-2025-6817 has been scored as a medium severity vulnerability.
How to fix CVE-2025-6817?
To fix CVE-2025-6817, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-6817 being actively exploited in the wild?
It is possible that CVE-2025-6817 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-6817?
CVE-2025-6817 affects n/a HDF5.
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