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CVE-2025-6750— HDF5 H5Omtime.c H5O__mtime_new_encode 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版本存在安全漏洞，该漏洞源于H5O__mtime_new_encode函数存在堆缓冲区溢出，可能导致内存损坏。

CVSS 3.3 · Low EPSS 0.25% · P14

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2025-6750

Vulnerability Information
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Vulnerability Title
HDF5 H5Omtime.c H5O__mtime_new_encode heap-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as problematic, has been found in HDF5 1.14.6. Affected by this issue is the function H5O__mtime_new_encode of the file src/H5Omtime.c. The manipulation leads to heap-based buffer overflow. Attacking locally is a requirement. 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:N/I:N/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版本存在安全漏洞，该漏洞源于H5O__mtime_new_encode函数存在堆缓冲区溢出，可能导致内存损坏。
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 1.14.6 -

II. Public POCs for CVE-2025-6750

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III. Intelligence Information for CVE-2025-6750

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Patches & Fixes for CVE-2025-6750 (1)

Other References for CVE-2025-6750 (1)

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IV. Related Vulnerabilities

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

V. Comments for CVE-2025-6750

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