CVE-2026-14679

High

Open

TLP:CLEAR

PostgreSQL stack buffer overflow in argument match writes 0x0 and 0x1 to server memory

NVD CVE.org

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Description

Stack buffer overflow in PostgreSQL argument name matching allows an object creator to achieve unknown impacts via OUT parameter count. The attack can write only 0x0 and 0x1 bytes. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.

Details

CVSS Score: 8.2
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Confidence: 90%
Published: Aug 13, 2026
Last Modified: Aug 13, 2026

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