Details of VAR-202506-1204

ID

VAR-202506-1204

CVE

CVE-2025-6516

TITLE

The HDF Group of HDF5 Buffer error vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2025-007772

DESCRIPTION

A vulnerability has been found in HDF5 up to 1.14.6 and classified as critical. This vulnerability affects the function H5F_addr_decode_len of the file /hdf5/src/H5Fint.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. The HDF Group of HDF5 contains a buffer error vulnerability, a heap-based buffer overflow vulnerability, and an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. HDF5 is an open-source library for HDF. An attacker could exploit this vulnerability to cause a denial of service

Trust: 2.16

sources: NVD: CVE-2025-6516 // JVNDB: JVNDB-2025-007772 // CNVD: CNVD-2025-18644

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-18644

AFFECTED PRODUCTS

vendor:	hdfgroup	model:	hdf5	scope:	lte	version:	1.14.6	Trust: 1.0
vendor:	the hdf group	model:	hdf5	scope:	-	version:	-	Trust: 0.8
vendor:	the hdf group	model:	hdf5	scope:	lte	version:	1.14.6 and earlier	Trust: 0.8
vendor:	the hdf group	model:	hdf5	scope:	eq	version:	-	Trust: 0.8
vendor:	hdf5	model:	hdf5	scope:	lte	version:	<=1.14.6	Trust: 0.6

sources: CNVD: CNVD-2025-18644 // JVNDB: JVNDB-2025-007772 // NVD: CVE-2025-6516

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com:	CVE-2025-6516
value:	LOW
Trust: 1.0
nvd@nist.gov:	CVE-2025-6516
value:	HIGH
Trust: 1.0
OTHER:	JVNDB-2025-007772
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2025-18644
value:	MEDIUM
Trust: 0.6

cna@vuldb.com:	CVE-2025-6516
severity:	MEDIUM
baseScore:	4.3
vectorString:	AV:L/AC:L/AU:S/C:P/I:P/A:P
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	3.1
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.0
OTHER:	JVNDB-2025-007772
severity:	MEDIUM
baseScore:	4.3
vectorString:	AV:L/AC:L/AU:S/C:P/I:P/A:P
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	NONE
impactScore:	NONE
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.8
CNVD:	CNVD-2025-18644
severity:	MEDIUM
baseScore:	4.3
vectorString:	AV:L/AC:L/AU:S/C:P/I:P/A:P
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	3.1
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

cna@vuldb.com:	CVE-2025-6516
baseSeverity:	MEDIUM
baseScore:	5.3
vectorString:	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	LOW
exploitabilityScore:	1.8
impactScore:	3.4
version:	3.1
Trust: 1.0
nvd@nist.gov:	CVE-2025-6516
baseSeverity:	HIGH
baseScore:	7.8
vectorString:	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	1.8
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	JVNDB-2025-007772
baseSeverity:	HIGH
baseScore:	7.8
vectorString:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2025-18644 // JVNDB: JVNDB-2025-007772 // NVD: CVE-2025-6516 // NVD: CVE-2025-6516

PROBLEMTYPE DATA

problemtype:	CWE-119	Trust: 1.0
problemtype:	CWE-787	Trust: 1.0
problemtype:	CWE-122	Trust: 1.0
problemtype:	Buffer error (CWE-119) [ others ]	Trust: 0.8
problemtype:	Heap-based buffer overflow (CWE-122) [ others ]	Trust: 0.8
problemtype:	Out-of-bounds writing (CWE-787) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2025-007772 // NVD: CVE-2025-6516

EXTERNAL IDS

db:	NVD	id:	CVE-2025-6516	Trust: 3.2
db:	VULDB	id:	313636	Trust: 1.8
db:	JVNDB	id:	JVNDB-2025-007772	Trust: 0.8
db:	CNVD	id:	CNVD-2025-18644	Trust: 0.6

sources: CNVD: CNVD-2025-18644 // JVNDB: JVNDB-2025-007772 // NVD: CVE-2025-6516

REFERENCES

url:	https://github.com/hdfgroup/hdf5/issues/5581	Trust: 2.4
url:	https://github.com/user-attachments/files/20626851/reproduce.tar.gz	Trust: 1.8
url:	https://vuldb.com/?id.313636	Trust: 1.8
url:	https://vuldb.com/?submit.592589	Trust: 1.8
url:	https://vuldb.com/?ctiid.313636	Trust: 1.0
url:	https://nvd.nist.gov/vuln/detail/cve-2025-6516	Trust: 0.8

sources: CNVD: CNVD-2025-18644 // JVNDB: JVNDB-2025-007772 // NVD: CVE-2025-6516

SOURCES

db:	CNVD	id:	CNVD-2025-18644
db:	JVNDB	id:	JVNDB-2025-007772
db:	NVD	id:	CVE-2025-6516

LAST UPDATE DATE

2025-08-17T23:25:26.875000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-18644	date:	2025-08-15T00:00:00
db:	JVNDB	id:	JVNDB-2025-007772	date:	2025-07-02T05:23:00
db:	NVD	id:	CVE-2025-6516	date:	2025-06-26T12:25:51.530

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-18644	date:	2025-08-15T00:00:00
db:	JVNDB	id:	JVNDB-2025-007772	date:	2025-07-02T00:00:00
db:	NVD	id:	CVE-2025-6516	date:	2025-06-23T17:15:32.550