Missing validation of multibyte character length in PostgreSQL text manipulation allows a database user to issue crafted queries that achieve a buffer overrun. That suffices to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.
History

Fri, 13 Feb 2026 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Postgresql
Postgresql postgresql
Vendors & Products Postgresql
Postgresql postgresql

Fri, 13 Feb 2026 00:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-1285
References
Metrics threat_severity

None

threat_severity

Important


Thu, 12 Feb 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Thu, 12 Feb 2026 13:30:00 +0000

Type Values Removed Values Added
Description Missing validation of multibyte character length in PostgreSQL text manipulation allows a database user to issue crafted queries that achieve a buffer overrun. That suffices to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.
Title PostgreSQL missing validation of multibyte character length executes arbitrary code
Weaknesses CWE-129
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: PostgreSQL

Published: 2026-02-12T13:00:10.490Z

Updated: 2026-02-13T04:56:31.516Z

Reserved: 2026-02-05T18:17:56.273Z

Link: CVE-2026-2006

cve-icon Vulnrichment

Updated: 2026-02-12T14:19:18.253Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-12T14:16:02.470

Modified: 2026-02-12T15:10:37.307

Link: CVE-2026-2006

cve-icon Redhat

Severity : Important

Publid Date: 2026-02-12T13:00:10Z

Links: CVE-2026-2006 - Bugzilla