CVE-2025-6818— HDF5 H5Ochunk.c H5O__chunk_protect heap-based overflow
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I. Basic Information for CVE-2025-6818
Vulnerability Information
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Vulnerability Title
HDF5 H5Ochunk.c H5O__chunk_protect heap-based overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability, which was classified as problematic, was found in HDF5 1.14.6. Affected is the function H5O__chunk_protect of the file /src/H5Ochunk.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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
堆缓冲区溢出
Source: NVD (National Vulnerability Database)
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，该漏洞源于文件/src/H5Ochunk.c导致堆缓冲区溢出。
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 | 1.14.6 | - |
II. Public POCs for CVE-2025-6818
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2025-06-28 · 3 CVEs total
| CVE-2025-6817 | 3.3 LOW | HDF5 H5Centry.c H5C__load_entry resource consumption |
| CVE-2025-6816 | 3.3 LOW | HDF5 H5Ofsinfo.c H5O__fsinfo_encode heap-based overflow |
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V. Comments for CVE-2025-6818
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