CVE-2025-6858— HDF5 H5Centry.c H5C__flush_single_entry null pointer dereference
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，该漏洞源于对文件src/H5Centry.c中函数H5C__flush_single_entry的错误操作导致空指针取消引用。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2025-6858
Vulnerability Information
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Vulnerability Title
HDF5 H5Centry.c H5C__flush_single_entry null pointer dereference
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in HDF5 1.14.6 and classified as problematic. Affected by this issue is the function H5C__flush_single_entry of the file src/H5Centry.c. The manipulation leads to null pointer dereference. The attack needs 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:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
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，该漏洞源于对文件src/H5Centry.c中函数H5C__flush_single_entry的错误操作导致空指针取消引用。
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-2025-6858
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2025-6858 (1)
Same Patch Batch · n/a · 2025-06-29 · 5 CVEs total
| CVE-2025-6865 | 4.3 MEDIUM | DaiCuo index cross-site request forgery |
| CVE-2025-6864 | 4.3 MEDIUM | SeaCMS admin_type.php cross-site request forgery |
| CVE-2025-6857 | 3.3 LOW | HDF5 H5Gnode.c H5G__node_cmp3 stack-based overflow |
| CVE-2025-6856 | 3.3 LOW | HDF5 H5FL.c H5FL__reg_gc_list use after free |
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