NULL Pointer Dereference Affecting hdf5 package, versions [0,]


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.03% (6th percentile)

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  • Snyk IDSNYK-CONAN-HDF5-10645546
  • published8 Jul 2025
  • disclosed29 Jun 2025
  • creditYifan Zhang

Introduced: 29 Jun 2025

NewCVE-2025-6858  (opens in a new tab)
CWE-404  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

There is no fixed version for hdf5.

Overview

Affected versions of this package are vulnerable to NULL Pointer Dereference via the H5C__flush_single_entry function. An attacker can cause a denial of service by triggering the vulnerable code path.

CVSS Base Scores

version 4.0
version 3.1