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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
NVD MITRE
EPSS Score
0.2%
Top 90.9%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
No Fix Available

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

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
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Weaknesses

CWE-404CWE-476

Affected Products

hdf5hdfgroup
LibraryLibrary
Databases
HDF5n/a
hdfgrouposs-projectUSDatabasesaka hdf5

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 →

Timeline

Published
Jun 29, 2025
Last Updated
Apr 29, 2026

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