CVE-2025-6856

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

A vulnerability, which was classified as problematic, was found in HDF5 1.14.6. Affected is the function H5FL__reg_gc_list of the file src/H5FL.c. The manipulation leads to use after free. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-119 CWE-416

Affected software

No affected versions have been published.

Timeline

Published: Jun 29, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

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