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CVE-2026-6474

Severity CVSS v4.0:
Pending analysis
Type:
CWE-134 Format String Vulnerability
Publication date:
14/05/2026
Last modified:
18/05/2026

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

Base Score 3.x
4.30
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* 14.23 (excluding)
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* 15.0 (including) 15.18 (excluding)
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* 16.0 (including) 16.14 (excluding)
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* 17.0 (including) 17.10 (excluding)
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* 18.0 (including) 18.4 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools