Description
Use after free in PostgreSQL COPY FROM error reporting allows a database user to disclose portions of server memory, via a longer input row following an ignored or nullified conversion error. file_fdw reaches the same code path in affected version 18. Within major versions 17-18, minor versions before PostgreSQL 18.7 and 17.12 are affected. Versions before PostgreSQL 17 are unaffected.
Published: 2026-11-12
Score: 4.3 Medium
EPSS: n/a
KEV: No
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Remediation

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History

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

Type Values Removed Values Added
Description Use after free in PostgreSQL COPY FROM error reporting allows a database user to disclose portions of server memory, via a longer input row following an ignored or nullified conversion error. file_fdw reaches the same code path in affected version 18. Within major versions 17-18, minor versions before PostgreSQL 18.7 and 17.12 are affected. Versions before PostgreSQL 17 are unaffected.
Title PostgreSQL COPY error context uses freed field storage
Weaknesses CWE-416
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: PostgreSQL

Published:

Updated: 2026-11-12T14:15:05.798Z

Reserved: 2026-10-26T03:52:44.052Z

Link: CVE-2026-116310

cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses