CVE-2025-6856

A vulnerability, which was classified as problematic, was found in HDF5 1.14.6. Affected is the function H5FL__reg_gc_list of the file src/H5FL.c. The manipulation leads to use after free. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.

CVSS v3 3.3 LOW
CVSS v2.0 1.7 LOW

3.3^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.8 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

1.7^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:S/C:N/I:N/A:P

Exploitability : 3.1 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/HDFGroup/hdf5/issues/5574	Exploit Issue Tracking Third Party Advisory
https://github.com/user-attachments/files/20623417/hdf5_crash_6.txt	Exploit
https://vuldb.com/?ctiid.314328	Permissions Required
https://vuldb.com/?id.314328	Third Party Advisory VDB Entry
https://vuldb.com/?submit.602528	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:hdfgroup:hdf5:1.14.6:*:*:*:*:*:*:*

History

08 Jul 2025, 14:39

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-06-29 10:15

Updated : 2025-07-08 14:39

NVD link : CVE-2025-6856

Mitre link : CVE-2025-6856

CVE.ORG link : CVE-2025-6856

JSON object : View

Products Affected

hdfgroup

hdf5

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-416

Use After Free

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