CVE-2025-6857

HDF5 H5Gnode.c H5G__node_cmp3 stack-based overflow

Published: Jun 29, 2025Updated: Apr 29, 2026 Sources: CVE List NVDCWE-119

3.3LOW

Description

A vulnerability has been found in HDF5 1.14.6 and classified as problematic. Affected by this vulnerability is the function H5G__node_cmp3 of the file src/H5Gnode.c. The manipulation leads to stack-based buffer overflow. It is possible to launch the attack on the local host. 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-119 CWE-121

Affected Products

hdfgroup

oss-project·USaka hdf5

hdf5LibraryLibrary

Databases

and 1 more affected products View all →

Exploitability

1 exploit source 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

Initial Access

Privilege Escalation

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References

https://github.com/HDFGroup/hdf5/issues/5575

github.com

https://github.com/user-attachments/files/20623442/hdf5_crash_7.txt

github.com

https://vuldb.com/?ctiid.314329

vuldb.com

and 2 more references View all →

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