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.
Metrics
Affected Vendors & Products
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Advisories
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Fixes
Solution
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Workaround
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References
| Link | Providers |
|---|---|
| https://www.postgresql.org/support/security/CVE-2026-120139/ |
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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 |
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| Metrics |
cvssV3_1
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MITRE
Status: PUBLISHED
Assigner: PostgreSQL
Published:
Updated: 2026-11-12T14:15:20.956Z
Reserved: 2026-10-30T22:45:08.382Z
Link: CVE-2026-120139
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-11-12T15:17:42.420
Modified: 2026-11-12T15:17:42.420
Link: CVE-2026-120139
Redhat
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OpenCVE Enrichment
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Weaknesses