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Vulnerability record · CVE-2026-14679 · published 13 August 2026

CVE-2026-14679: Postgresql stack-based buffer overflow vulnerability

Postgresql · Postgresql

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.

8.2 CVSS 3.1 High EPSS 0.29% · top 80.4% CWE-121 · Stack-based buffer overflow
8.2CVSS 3.1 base score
0.29%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
29 Aug 2026Last modified by NVD

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

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.postgresql.org/support/security/CVE-2026-14679/ Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-14679), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.