CVE-2025-6857

LOW

HDF5 1.14.6 - Stack-Based Buffer Overflow in H5G__node_cmp3 Function

Title source: llm

Description

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.

References (5)

Core 5

Core References

Third Party Advisory, VDB Entry vdb-entry technical-description

https://vuldb.com/?id.314329

Permissions Required signature permissions-required

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

Third Party Advisory, VDB Entry third-party-advisory

https://vuldb.com/?submit.602529

Exploit, Issue Tracking, Third Party Advisory issue-tracking

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

Exploit exploit

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

Scores

CVSS v3 3.3

EPSS 0.0023

EPSS Percentile 13.1%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-119 CWE-121

Status published

Products (1)

hdfgroup/hdf5 1.14.6

Published Jun 29, 2025

Tracked Since Feb 18, 2026