CVE-2025-6516 MEDIUM

CVE-2025-6516: HDF5 H5Fint.c H5F_addr_decode_len heap-based overflow

Vendor N/A
Product HDF5
Weakness CWE-122
Published June 23, 2025
Last update June 23, 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:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 23, 2025 CVE published
June 23, 2025 Record updated