CVE-2025-4207

May 8, 2025, 3:15 p.m.

5.9
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.

Product(s) Impacted

Vendor Product Versions
Postgresql
  • Postgresql
  • Libpq
  • <17.5
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

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.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a postgresql postgresql <17.5 / / / / / / /
a postgresql libpq / / / / / / / /

References

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

Tags

f86ef6dc-4d3a-42ad-8f28-e6d5547a5007
CWE-126
2025-05-08
CVE-2025-4207

CVSS Score

5.9 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: HIGH
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: HIGH

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

    View Vector String

Timeline

Published: May 8, 2025, 3:15 p.m.
Last Modified: May 8, 2025, 3:15 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

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

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.