CVE-2025-6856
7.8
HIGH
CVSS 3.1
EPSS 0.13%
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.
How to fix CVE-2025-6856
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/hdf5—no fix listed
Is CVE-2025-6856 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |