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    CVE-2025-4207

    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.

    Published:May 8, 2025
    Last Modified:Apr 15, 2026
    EPS:May 8, 2025
    EPSS Score:0.00326
    CVSS Score:5.9

    Affected Products

    Vendor
    Postgresql
    Product
    Postgresql

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-126 Buffer Over-read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High