CVE-2025-6857
HDF5 H5Gnode.c H5G__node_cmp3 stack-based overflow
- State
- Published
- Severity
- 4.8 Medium
- Published
- Jun 29, 2025
- Updated
- Jun 30, 2025
- Reserved
- Jun 28, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 3.3 Low | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 3.3 Low | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 1.7 Low | AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
HDF5n/a |
|
References
- VDB-314329 | HDF5 H5Gnode.c H5G__node_cmp3 stack-based overflowvdb-entrytechnical-description
- VDB-314329 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #602529 | HDFGroup HDF5 hdf5 1.14.6 (commit 17c16b6) Uncontrolled Recursionthird-party-advisory
- https://github.com/HDFGroup/hdf5/issues/5575issue-tracking
- https://github.com/user-attachments/files/20623442/hdf5_crash_7.txtexploit
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.