CVE-2026-14679: PostgreSQL

High severity, CVSS 8.2. EPSS: 0.3% chance of exploitation in the next 30 days.

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 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.

Affected products

• PostgreSQL PostgreSQL: from 14.0, before 14.24 (fixed in 14.24); from 15.0, before 15.19 (fixed in 15.19); from 16.0, before 16.15 (fixed in 16.15); from 17.0, before 17.11 (fixed in 17.11); from 18.0, before 18.5 (fixed in 18.5)

Published 2026-08-13. Last modified 2026-08-29.