CVE-2026-6474

Published: May 14, 2026Modified: Jun 17, 2026

4.3

Vector

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

Exploitability: 2.8 / Impact: 1.4

Source: f86ef6dc-4d3a-42ad-8f28-e6d5547a5007 (Secondary)

Description

Externally-controlled format string in PostgreSQL timeofday() function allows an attacker to retrieve portions of server memory, via crafted timezone zones. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.

Affected (5)

Products: Postgresql: Postgresql

Postgresql

1 product

Postgresql

Configuration A

5 vulnerable

Vulnerable Software	Affected Versions
Postgresql Postgresql	Before 14.23
Postgresql Postgresql	From 15.0 to 15.18
Postgresql Postgresql	From 16.0 to 16.14
Postgresql Postgresql	From 17.0 to 17.10
Postgresql Postgresql	From 18.0 to 18.4

Related CWEs

CWE-134

Use of Externally-Controlled Format String

The product uses a function that accepts a format string as an argument, but the format string originates from an external source.

References (1)

https://www.postgresql.org/support/security/CVE-2026-6474/

Source: f86ef6dc-4d3a-42ad-8f28-e6d5547a5007

PatchVendor Advisory

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