VDB-301888 · Submit #520899 · CVE-2025-2915

HDF5 up to 1.14.6 src/H5Faccum.c H5F__accum_free overlap_size heap-based overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.9	$0-$5k	0.00

Summaryinfo

A vulnerability was found in HDF5 up to 1.14.6. It has been declared as problematic. This issue affects the function H5F__accum_free of the file src/H5Faccum.c. Executing a manipulation of the argument overlap_size can lead to heap-based overflow. This vulnerability appears as CVE-2025-2915. The attack requires local access. In addition, an exploit is available.

Detailsinfo

A vulnerability classified as problematic was found in HDF5 up to 1.14.6. This vulnerability affects the function H5F__accum_free of the file src/H5Faccum.c. The manipulation of the argument overlap_size with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect availability.

The weakness was presented by Chen Lihai with Xidian University as 5380. The advisory is shared for download at github.com. This vulnerability was named CVE-2025-2915. The exploitation appears to be easy. The attack needs to be approached locally. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-8640). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Database Software

Name

HDF5

Version

License

free

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.9

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 3.3
CNA Vector: 🔍

CVSSv2info

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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/28/2025 🔍
03/28/2025 +0 days 🔍
11/07/2025 +224 days 🔍

Sourcesinfo

Advisory: 5380
Researcher: Chen Lihai
Organization: Xidian University
Status: Not defined

CVE: CVE-2025-2915 (🔍)
GCVE (CVE): GCVE-0-2025-2915
GCVE (VulDB): GCVE-100-301888
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/28/2025 12:06
Updated: 11/07/2025 18:30
Changes: 03/28/2025 12:06 (57), 07/24/2025 11:45 (2), 07/24/2025 14:42 (1), 11/07/2025 18:30 (41)
Complete: 🔍
Committer: Anonymous User
Cache ID: 216::103

Submitinfo

Accepted

Submit #520899: https://github.com/HDFGroup/hdf5 HDF5 v1.14.6 Heap-based Buffer Overflow (by github.com)

VulDB is the best source for vulnerability data and more expert information about this specific topic.