Buffer overflow in Hdfgroup Hdf5
CVE-2025-6857
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…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (31.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Hdfgroup Hdf5 — versions 1.14.6
- N/a Hdf5 — versions 1.14.6
Weakness classification (CWE)
References
- VDB-314329 | HDF5 H5Gnode.c H5G__node_cmp3 stack-based overflow (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-314329 | CTI Indicators (IOB, IOC, IOA) (signature, Permissions Required, permissions-required)
- Submit #602529 | HDFGroup HDF5 hdf5 1.14.6 (commit 17c16b6) Uncontrolled Recursion (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (issue-tracking, Exploit, Third Party Advisory, Issue Tracking)
- cna@vuldb.com (Exploit, exploit)
Frequently asked questions
- What is CVE-2025-6857?
- CVE-2025-6857 is a low-severity vulnerability in Hdfgroup Hdf5, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.3/10. Published 2025-06-29.
- How severe is CVE-2025-6857?
- Low severity. CVSS v3 base score is 3.3 out of 10.