CVE-2025-6856CWE-119CWE-416

HDF5 H5FL.c H5FL__reg_gc_list use after free

Medium · published June 29, 2025

CVSS v4.0
4.8
EPSS
0%
Percentile
15.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
4.8 · MEDIUM
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
EPSS
0.00248 · 15.2th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-416 · Use After Free
Published
2025-06-29T09:31Z
EPSS history
Timeline
  • 29 JUN 09:31Z
    HDF5 H5FL.c H5FL__reg_gc_list use after free
    cvelistv5