CVE-2026-14679 HIGH

CVE-2026-14679: PostgreSQL stack buffer overflow in argument match writes 0x0 and 0x1 to server memory

Vendor N/A
Product PostgreSQL
Weakness CWE-121
Published August 13, 2026
Last update August 13, 2026
View on NVD All CVEs

CVSS base score

8.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 13, 2026 CVE published
August 13, 2026 Record updated