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.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
| Link | Providers |
|---|---|
| https://www.postgresql.org/support/security/CVE-2026-120139/ |
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History
Thu, 12 Nov 2026 23:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Postgresql
Postgresql postgresql |
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| 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
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Projects
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Status: PUBLISHED
Assigner: PostgreSQL
Published:
Updated: 2026-11-12T21:44:42.972Z
Reserved: 2026-10-30T22:45:08.382Z
Link: CVE-2026-120139
No data.
Status : Awaiting Analysis
Published: 2026-11-12T15:17:42.420
Modified: 2026-11-12T22:19:07.470
Link: CVE-2026-120139
No data.
OpenCVE Enrichment
Updated: 2026-11-12T23:30:10Z
Weaknesses