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.

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Access Vector Local

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Hdfgroup
  • Hdf5

Configuration 1 [-]

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

No data.

References
Link Providers
https://github.com/HDFGroup/hdf5/issues/5576 cve-icon cve-icon cve-icon
https://github.com/user-attachments/files/20623475/hdf5_crash_8.txt cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-6858 cve-icon
https://vuldb.com/?ctiid.314330 cve-icon cve-icon cve-icon
https://vuldb.com/?id.314330 cve-icon cve-icon cve-icon
https://vuldb.com/?submit.602530 cve-icon cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-6858 cve-icon
History

Tue, 08 Jul 2025 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Hdfgroup
Hdfgroup hdf5
CPEs cpe:2.3:a:hdfgroup:hdf5:1.14.6:*:*:*:*:*:*:*
Vendors & Products Hdfgroup
Hdfgroup hdf5

Mon, 30 Jun 2025 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 30 Jun 2025 12:30:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 threat_severity

Low

Sun, 29 Jun 2025 11:15:00 +0000

Type Values Removed Values Added
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.
Title HDF5 H5Centry.c H5C__flush_single_entry null pointer dereference
Weaknesses CWE-404
CWE-476
References
Metrics cvssV2_0

{'score': 1.7, 'vector': 'AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 3.3, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2025-06-29T11:00:14.487Z

Updated: 2025-06-30T20:11:40.651Z

Reserved: 2025-06-28T10:42:56.282Z

Link: CVE-2025-6858

cve-icon Vulnrichment

Updated: 2025-06-30T20:11:34.993Z

cve-icon NVD

Status : Analyzed

Published: 2025-06-29T11:15:24.313

Modified: 2025-07-08T14:38:35.413

Link: CVE-2025-6858

cve-icon Redhat

Severity : Low

Publid Date: 2025-06-29T11:00:14Z

Links: CVE-2025-6858 - Bugzilla