CVE-2025-4207 MEDIUM

CVE-2025-4207: PostgreSQL GB18030 encoding validation can read one byte past end of allocation for text that fails validation

Vendor N/A
Product PostgreSQL
Weakness CWE-126
Published May 8, 2025
Last update May 9, 2025
View on NVD All CVEs

CVSS base score

5.9/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 8, 2025 CVE published
May 9, 2025 Record updated