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CVE-2025-6269— HDF5 H5Cimage.c H5C__reconstruct_cache_entry 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，该漏洞源于文件H5Cimage.c中函数H5C__reconstruct_cache_entry存在堆缓冲区溢出。

CVSS 5.3 · Medium EPSS 0.22% · P12
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I. Basic Information for CVE-2025-6269

Vulnerability Information
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Vulnerability Title
HDF5 H5Cimage.c H5C__reconstruct_cache_entry heap-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability classified as critical was found in HDF5 up to 1.14.6. Affected by this vulnerability is the function H5C__reconstruct_cache_entry of the file H5Cimage.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: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，该漏洞源于文件H5Cimage.c中函数H5C__reconstruct_cache_entry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-2025-6269

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III. Intelligence Information for CVE-2025-6269

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Other References for CVE-2025-6269 (1)

Same Patch Batch · n/a · 2025-06-19 · 6 CVEs total

CVE-2025-6279 5.5 MEDIUM Upsonic Pickle add_tool cloudpickle.loads deserialization
CVE-2025-6278 5.5 MEDIUM Upsonic server.py os.path.join path traversal
CVE-2025-6270 5.3 MEDIUM HDF5 H5FSsection.c H5FS__sect_find_node heap-based overflow
CVE-2025-6272 3.3 LOW wasm3 m3_compile.c MarkSlotAllocated out-of-bounds write
CVE-2025-6271 3.3 LOW swftools wav2swf wav.c wav_convert2mono out-of-bounds

IV. Related Vulnerabilities

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

V. Comments for CVE-2025-6269

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