A vulnerability has been found in HDF5 up to 1.14.6 and classified as critical. This vulnerability affects the function H5F_addr_decode_len of the file /hdf5/src/H5Fint.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.
Advisories
Source ID Title
EUVD EUVD EUVD-2025-18903 A vulnerability has been found in HDF5 up to 1.14.6 and classified as critical. This vulnerability affects the function H5F_addr_decode_len of the file /hdf5/src/H5Fint.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 26 Jun 2025 22:00:00 +0900

Type Values Removed Values Added
First Time appeared Hdfgroup
Hdfgroup hdf5
Weaknesses CWE-787
CPEs cpe:2.3:a:hdfgroup:hdf5:*:*:*:*:*:*:*:*
Vendors & Products Hdfgroup
Hdfgroup hdf5

Tue, 24 Jun 2025 09:30:00 +0900

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Tue, 24 Jun 2025 03:15:00 +0900

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 24 Jun 2025 02:15:00 +0900

Type Values Removed Values Added
Description A vulnerability has been found in HDF5 up to 1.14.6 and classified as critical. This vulnerability affects the function H5F_addr_decode_len of the file /hdf5/src/H5Fint.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.
Title HDF5 H5Fint.c H5F_addr_decode_len heap-based overflow
Weaknesses CWE-119
CWE-122
References
Metrics cvssV2_0

{'score': 4.3, 'vector': 'AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 5.3, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2025-06-23T17:40:18.086Z

Reserved: 2025-06-23T12:18:36.816Z

Link: CVE-2025-6516

cve-icon Vulnrichment

Updated: 2025-06-23T17:40:13.350Z

cve-icon NVD

Status : Analyzed

Published: 2025-06-23T17:15:32.550

Modified: 2025-06-26T12:25:51.530

Link: CVE-2025-6516

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-06-23T17:00:17Z

Links: CVE-2025-6516 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-06-24T18:44:11Z

Weaknesses