Buffer overflow in Hdfgroup Hdf5
CVE-2025-6269
A vulnerability classified as critical was found in HDF5 up to 1.14.6. Affected by this vulnerability is the function H5C__reconstruct_cache_entry of the file H5Cimage.c. The manipulation leads to heap-based buffer overflow. Attacking loca…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (34.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Hdfgroup Hdf5
- N/a Hdf5 — versions 1.14.0, 1.14.1, 1.14.2
Weakness classification (CWE)
References
- VDB-313273 | HDF5 H5Cimage.c H5C__reconstruct_cache_entry heap-based overflow (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-313273 | CTI Indicators (IOB, IOC, IOA) (signature, Permissions Required, permissions-required, Third Party Advisory, VDB Entry)
- Submit #592587 | HDF5 1.14.6 Heap-based Buffer Overflow (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (issue-tracking, Exploit, Issue Tracking)
- cna@vuldb.com (Exploit, exploit)
Frequently asked questions
- What is CVE-2025-6269?
- CVE-2025-6269 is a medium-severity vulnerability in Hdfgroup Hdf5, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2025-06-19.
- How severe is CVE-2025-6269?
- Medium severity. CVSS v3 base score is 5.3 out of 10.