HDF5 up to 1.14.6 src/H5Fint.c H5F_addr_encode_len pp heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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3.1$0-$5k0.08

Summaryinfo

A vulnerability, which was classified as problematic, was found in HDF5 up to 1.14.6. This vulnerability affects the function H5F_addr_encode_len of the file src/H5Fint.c. Such manipulation of the argument pp leads to heap-based overflow. This vulnerability is listed as CVE-2025-2923. The attack must be carried out locally. In addition, an exploit is available. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in HDF5 up to 1.14.6. Affected by this issue is the function H5F_addr_encode_len of the file src/H5Fint.c. The manipulation of the argument pp with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to 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(). Impacted is availability.

The weakness was presented by Chen Lihai with Xidian University as 5381. The advisory is available at github.com. This vulnerability is handled as CVE-2025-2923. The exploitation is known to be easy. Local access is required to approach this attack. Technical details as well as a public exploit are known.

The exploit is available 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-2025-8650). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

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: 3.3
VulDB Meta Temp Score: 3.1

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

CNA Base Score: 3.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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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: 🔒

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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 Advisory disclosed
03/28/2025 +0 days VulDB entry created
07/24/2025 +118 days VulDB entry last update

Sourcesinfo

Advisory: 5381
Researcher: Chen Lihai
Organization: Xidian University
Status: Not defined

CVE: CVE-2025-2923 (🔒)
GCVE (CVE): GCVE-0-2025-2923
GCVE (VulDB): GCVE-100-301898
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/28/2025 01:01 PM
Updated: 07/24/2025 02:42 PM
Changes: 03/28/2025 01:01 PM (57), 06/06/2025 06:33 AM (31), 07/24/2025 11:44 AM (2), 07/24/2025 02:42 PM (1)
Complete: 🔍
Committer: Anonymous User
Cache ID: 244:42C:40

Submitinfo

Accepted

  • Submit #521151: https://github.com/HDFGroup/hdf5 HDF5 1.14.6 Heap-based Buffer Overflow (by github.com)

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