EUVD-2025-19481

| CVE-2025-6856 LOW
2025-06-29 [email protected]
3.3
CVSS 3.1

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

Lifecycle Timeline

5
Patch Released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 16, 2026 - 01:15 vuln.today
EUVD ID Assigned
Mar 16, 2026 - 01:15 euvd
EUVD-2025-19481
PoC Detected
Jul 08, 2025 - 14:39 vuln.today
Public exploit code
CVE Published
Jun 29, 2025 - 10:15 nvd
LOW 3.3

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.

Analysis

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.

Technical Context

A buffer overflow occurs when data written to a buffer exceeds its allocated size, potentially overwriting adjacent memory and corrupting program state.

Affected Products

Affected products: Hdfgroup Hdf5 1.14.6

Remediation

Use memory-safe languages or bounds-checked functions. Enable ASLR, DEP/NX, and stack canaries. Apply vendor patches promptly.

Priority Score

37
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +16
POC: +20

Vendor Status

Ubuntu

Priority: Low
hdf5
Release Status Version
plucky ignored end of life, was needs-triage
bionic not-affected code not present
focal needed -
jammy needed -
noble needed -
trusty not-affected code not present
xenial not-affected code not present
upstream released 2.0.0
oracular ignored end of life, was needs-triage
questing needed -

Debian

hdf5
Release Status Fixed Version Urgency
bullseye vulnerable 1.10.6+repack-4+deb11u1 -
bookworm vulnerable 1.10.8+repack1-1 -
trixie vulnerable 1.14.5+repack-3 -
forky, sid vulnerable 1.14.6+repack-2 -
(unstable) fixed (unfixed) unimportant

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EUVD-2025-19481 vulnerability details – vuln.today

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