CVE-2025-4207

medium

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.

References

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

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

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

Details

Source: Mitre, NVD

Published: 2025-05-08

Updated: 2025-05-09

Risk Information

CVSS v2

Base Score: 5.4

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.0004