CVE-2025-6858

| EUVD-2025-19482 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-2025-19482
PoC Detected
Jul 08, 2025 - 14:38 vuln.today
Public exploit code
CVE Published
Jun 29, 2025 - 11:15 nvd
LOW 3.3

Description

A vulnerability was found in HDF5 1.14.6 and classified as problematic. Affected by this issue is the function H5C__flush_single_entry of the file src/H5Centry.c. The manipulation leads to null pointer dereference. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.

Analysis

A vulnerability was found in HDF5 1.14.6 and classified as problematic. Affected by this issue is the function H5C__flush_single_entry of the file src/H5Centry.c. The manipulation leads to null pointer dereference. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.

Technical Context

A NULL pointer dereference occurs when the application attempts to use a pointer that has not been initialized or has been set to NULL. This vulnerability is classified as Improper Resource Shutdown or Release (CWE-404).

Affected Products

Affected products: Hdfgroup Hdf5 1.14.6

Remediation

Add NULL checks before pointer dereference operations. Use static analysis to identify potential NULL pointer issues. Enable compiler warnings.

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
bionic needed -
focal needed -
jammy needed -
noble needed -
trusty needed -
xenial needed -
upstream released 2.0.0
oracular ignored end of life, was needs-triage
questing needed -
plucky ignored end of life, was needs-triage

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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CVE-2025-6858 vulnerability details – vuln.today

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