CVE-2025-6818

HDF5 H5Ochunk.c H5O__chunk_protect heap-based overflow

Published: Jun 28, 2025Updated: Apr 29, 2026 Sources: CVE List NVDCWE-119

3.3LOW

Description

A vulnerability, which was classified as problematic, was found in HDF5 1.14.6. Affected is the function H5O__chunk_protect of the file /src/H5Ochunk.c. The manipulation leads to heap-based buffer overflow. An attack has 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-119 CWE-122

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

Initial Access

Privilege Escalation

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References

https://vuldb.com/?id.314256

vuldb.com

https://vuldb.com/?ctiid.314256

vuldb.com

https://vuldb.com/?submit.602326

vuldb.com

and 2 more references View all →

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