CVE-2025-4207— PostgreSQL GB18030 encoding validation can read one byte past end of allocation for text that fails validation
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I. Basic Information for CVE-2025-4207
Vulnerability Information
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Vulnerability Title
PostgreSQL GB18030 encoding validation can read one byte past end of allocation for text that fails validation
Source: NVD (National Vulnerability Database)
Vulnerability Description
Buffer over-read in PostgreSQL GB18030 encoding validation allows a database input provider to achieve temporary denial of service on platforms where a 1-byte over-read can elicit process termination. This affects the database server and also libpq. Versions before PostgreSQL 17.5, 16.9, 15.13, 14.18, and 13.21 are affected.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
缓冲区上溢读取
Source: NVD (National Vulnerability Database)
Vulnerability Title
PostgreSQL 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PostgreSQL是PostgreSQL组织的一套自由的对象关系型数据库管理系统。该系统支持大部分SQL标准并且提供了许多其他特性，例如外键、触发器、视图等。 PostgreSQL存在安全漏洞，该漏洞源于GB18030编码验证中的缓冲区过度读取，可能导致临时拒绝服务。以下版本受到影响：17.5之前版本、16.9之前版本、15.13之前版本、14.18之前版本和13.21之前版本。
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 |
|---|---|---|---|---|
| - | PostgreSQL | 17 ~ 17.5 | - |
II. Public POCs for CVE-2025-4207
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2025-05-08 · 28 CVEs total
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| CVE-2025-45790 | TOTOLINK A3100R 安全漏洞 | |
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| CVE-2025-26845 | Znuny 安全漏洞 | |
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| CVE-2025-45845 | TOTOLINK NR1800X 安全漏洞 | |
| CVE-2025-45846 | ALFA AIP-W512 安全漏洞 | |
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Showing top 20 of 28 CVEs. View all on vendor page → →
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V. Comments for CVE-2025-4207
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