CVE-2023-5868

CVE-2023-5868 · Postgresql: memory disclosure in aggregate function calls

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

A memory disclosure vulnerability was found in PostgreSQL that allows remote users to access sensitive information by exploiting certain aggregate function calls with 'unknown'-type arguments. Handling 'unknown'-type values from string literals without type designation can disclose bytes, potentially revealing notable and confidential information. This issue exists due to excessive data output in aggregate function calls, enabling remote users to read some portion of system memory.

CVSS 4.3 · Medium · EPSS 2.8% · Fix available

Published

2023-12-10T17:56:57.176Z

Updated

2026-06-23T17:19:12.647Z

Stack: system

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