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CVE-2025-2309— HDF5 Type Conversion Logic H5T__bit_copy 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，该漏洞源于堆缓冲区溢出，可能导致本地攻击。

CVSS 5.3 · Medium EPSS 0.36% · P27
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I. Basic Information for CVE-2025-2309

Vulnerability Information
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Vulnerability Title
HDF5 Type Conversion Logic H5T__bit_copy heap-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in HDF5 1.14.6 and classified as critical. This vulnerability affects the function H5T__bit_copy of the component Type Conversion Logic. The manipulation leads to heap-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The vendor plans to fix this issue in an upcoming release.
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版本存在安全漏洞，该漏洞源于堆缓冲区溢出，可能导致本地攻击。
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-2025-2309

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III. Intelligence Information for CVE-2025-2309

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Vendor Advisories for CVE-2025-2309 (2)

Other References for CVE-2025-2309 (1)

Same Patch Batch · n/a · 2025-03-14 · 22 CVEs total

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CVE-2025-25872 OpenPanel 安全漏洞
CVE-2025-29029 Tenda AC6 缓冲区错误漏洞
CVE-2025-29030 Tenda AC6 缓冲区错误漏洞
CVE-2025-29032 Tenda AC9 安全漏洞
CVE-2025-29031 Tenda AC6 缓冲区错误漏洞

Showing top 20 of 22 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

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

V. Comments for CVE-2025-2309

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