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
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History

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

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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: 2026-11-12T19:02:35.830

Link: CVE-2026-120139

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses