CVE-2025-4207

Published: May 8, 2025Modified: May 12, 2025

5.9

Vector

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

Exploitability: 2.2 / Impact: 3.6

Source: f86ef6dc-4d3a-42ad-8f28-e6d5547a5007 (Secondary)

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.

Related CWEs

CWE-126

Buffer Over-read

The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.

References (3)

https://www.postgresql.org/support/security/CVE-2025-4207/

Source: f86ef6dc-4d3a-42ad-8f28-e6d5547a5007

http://www.openwall.com/lists/oss-security/2025/05/09/3

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.debian.org/debian-lts-announce/2025/05/msg00011.html

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

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