Description
Integer wraparound in PostgreSQL in-memory tuple-size calculations allows a database user to execute arbitrary code as the operating system user running the database, via oversized tuple data. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.
Published: 2026-11-12
Score: 8.8 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Thu, 12 Nov 2026 23:45:00 +0000

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

Thu, 12 Nov 2026 14:30:00 +0000

Type Values Removed Values Added
Description Integer wraparound in PostgreSQL in-memory tuple-size calculations allows a database user to execute arbitrary code as the operating system user running the database, via oversized tuple data. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.
Title PostgreSQL tuple-size integer wraparound executes arbitrary code
Weaknesses CWE-190
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'}


Subscriptions

Postgresql Postgresql
cve-icon MITRE

Status: PUBLISHED

Assigner: PostgreSQL

Published:

Updated: 2026-11-12T21:44:42.972Z

Reserved: 2026-10-30T22:45:08.382Z

Link: CVE-2026-120139

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-12T15:17:42.420

Modified: 2026-11-12T22:19:07.470

Link: CVE-2026-120139

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-12T23:30:10Z

Weaknesses
  • CWE-190

    Integer Overflow or Wraparound