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CVE-2025-6516— HDF5 H5Fint.c H5F_addr_decode_len heap-based overflow

Quick assessment

Affected
n/a HDF5
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

HDF5是HDF开源的一个库。 HDF5 1.14.6及之前版本存在安全漏洞，该漏洞源于H5Fint.c文件中H5F_addr_decode_len函数存在堆缓冲区溢出。

CVSS 5.3 · Medium EPSS 0.38% · P29

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2025-6516

Vulnerability Information
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Vulnerability Title
HDF5 H5Fint.c H5F_addr_decode_len heap-based overflow
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
HDF5 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HDF5是HDF开源的一个库。 HDF5 1.14.6及之前版本存在安全漏洞，该漏洞源于H5Fint.c文件中H5F_addr_decode_len函数存在堆缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- HDF5 1.14.0 -

II. Public POCs for CVE-2025-6516

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III. Intelligence Information for CVE-2025-6516

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Other References for CVE-2025-6516 (1)

Same Patch Batch · n/a · 2025-06-23 · 18 CVEs total

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CVE-2025-48026 Mitel OpenScape Xpressions 安全漏洞
CVE-2023-47294 NCR Atleos Terminal Handler 安全漏洞
CVE-2023-48978 NCR Atleos ITM Web terminal 安全漏洞
CVE-2023-47298 NCR Atleos Terminal Handler 安全漏洞
CVE-2023-47031 NCR Atleos Terminal Handler 安全漏洞
CVE-2023-47030 NCR Atleos Terminal Handler 安全漏洞
CVE-2023-47029 NCR Atleos Terminal Handler 安全漏洞
CVE-2023-47032 NCR Atleos Terminal Handler 安全漏洞
CVE-2023-47295 NCR Atleos Terminal Handler 安全漏洞
CVE-2023-50450 Sensopart VISOR Vision Sensors 安全漏洞

IV. Related Vulnerabilities

Same product: HDF5
Same vendor: n/a
Same weakness: CWE-122

V. Comments for CVE-2025-6516

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