CVE-2025-6816 MEDIUM

CVE-2025-6816: HDF5 H5Ofsinfo.c H5O__fsinfo_encode heap-based overflow

Vendor N/A
Product HDF5
Weakness CWE-122
Published June 28, 2025
Last update June 30, 2025

CVSS base score

4.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

A vulnerability classified as problematic was found in HDF5 1.14.6. This vulnerability affects the function H5O__fsinfo_encode of the file /src/H5Ofsinfo.c. The manipulation leads to heap-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.

Key dates

02Disclosure timeline

June 28, 2025 CVE published
June 30, 2025 Record updated