CVE-2025-6858

LOW

HDF5 <1.14.6 - Null Pointer Dereference

Title source: llm
STIX 2.1

Description

A vulnerability was found in HDF5 1.14.6 and classified as problematic. Affected by this issue is the function H5C__flush_single_entry of the file src/H5Centry.c. The manipulation leads to null pointer dereference. The attack needs to be approached locally. 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.314330
Permissions Required signature permissions-required
https://vuldb.com/?ctiid.314330
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.602530
Exploit, Issue Tracking, Third Party Advisory issue-tracking
https://github.com/HDFGroup/hdf5/issues/5576

Scores

CVSS v3 3.3
EPSS 0.0019
EPSS Percentile 9.2%
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-404 CWE-476
Status published
Products (1)
hdfgroup/hdf5 1.14.6
Published Jun 29, 2025
Tracked Since Feb 18, 2026