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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
NVD MITRE
EPSS Score
0.2%
Top 86.0%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available
Self-Check
OpenVAS

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

AV:LAC:LPR:LUI:NS:UC:NI:NA:L
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
Open in CVSS calculator →

Weaknesses

CWE-119CWE-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.

View exploit details
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

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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