CVE-2025-6858

HDF5 H5Centry.c H5C__flush_single_entry null pointer dereference

Published: Jun 29, 2025Updated: Apr 29, 2026 Sources: CVE List NVDCWE-404

3.3LOW

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:LAttack Vector

Local

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:LAvailability

Low

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Weaknesses

CWE-404 CWE-476

Affected Products

hdfgroup

oss-project·USaka hdf5

hdf5LibraryLibrary

Databases

and 1 more affected products View all →

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Impact

Initial Access

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References

https://github.com/HDFGroup/hdf5/issues/5576

github.com

https://github.com/user-attachments/files/20623475/hdf5_crash_8.txt

github.com

https://vuldb.com/?ctiid.314330

vuldb.com

and 2 more references View all →

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