CVE-2025-2923 MEDIUM

CVE-2025-2923: HDF5 H5Fint.c H5F_addr_encode_len heap-based overflow

Vendor N/A
Product HDF5
Weakness CWE-122
Published March 28, 2025
Last update July 24, 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, which was classified as problematic, has been found in HDF5 up to 1.14.6. Affected by this issue is the function H5F_addr_encode_len of the file src/H5Fint.c. The manipulation of the argument pp leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.

Key dates

02Disclosure timeline

March 28, 2025 CVE published
July 24, 2025 Record updated