CVE-2025-6857

low-risk

Published 2025-06-29

A vulnerability has been found in HDF5 1.14.6 and classified as problematic. Affected by this vulnerability is the function H5G__node_cmp3 of the file src/H5Gnode.c. The manipulation leads to stack-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.

Do I need to act?

0.05% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 3.3/10 Low

LOCAL / LOW complexity

Affected Products (1)

Hdf5

Affected Vendors

Hdfgroup

References (5)

Exploit https://github.com/HDFGroup/hdf5/issues/5575

Exploit https://github.com/user-attachments/files/20623442/hdf5_crash_7.txt

Permissions Required https://vuldb.com/?ctiid.314329

Third Party Advisory https://vuldb.com/?id.314329

Third Party Advisory https://vuldb.com/?submit.602529

/ 100

low-risk

Severity 13/34 · Low

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal