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.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-4159-1 postgresql-13 security update
EUVD EUVD EUVD-2025-14007 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.
Ubuntu USN Ubuntu USN USN-7520-1 PostgreSQL vulnerability
Ubuntu USN Ubuntu USN USN-7520-2 PostgreSQL vulnerability
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 15 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00067}

epss

{'score': 0.0007}


Sat, 10 May 2025 02:30:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Fri, 09 May 2025 18:45:00 +0000

Type Values Removed Values Added
References

Fri, 09 May 2025 17:45:00 +0000

Type Values Removed Values Added
References

Thu, 08 May 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 08 May 2025 14:45:00 +0000

Type Values Removed Values Added
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.
Title PostgreSQL GB18030 encoding validation can read one byte past end of allocation for text that fails validation
Weaknesses CWE-126
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: PostgreSQL

Published:

Updated: 2025-05-09T18:03:35.540Z

Reserved: 2025-05-02T00:03:22.439Z

Link: CVE-2025-4207

cve-icon Vulnrichment

Updated: 2025-05-09T18:03:35.540Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-05-08T15:15:48.577

Modified: 2025-05-12T17:32:52.810

Link: CVE-2025-4207

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-05-08T14:22:45Z

Links: CVE-2025-4207 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-06-24T09:44:17Z