Buffer overflow in Postgresql
CVE-2026-14679
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, an…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.
Affected products
- N/a Postgresql — versions 18, 17, 16
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-14679?
- CVE-2026-14679 is a high-severity vulnerability in Postgresql, classified under Stack-based Buffer Overflow. CVSS score: 8.2/10. Published 2026-08-13.
- How severe is CVE-2026-14679?
- High severity. CVSS v3 base score is 8.2 out of 10.