CVE-2026-6474

PostgreSQL timeofday() can disclose portions of server memory

Published May 14, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4646-1 postgresql-13 security update
Debian DSA Debian DSA DSA-6269-1 postgresql-15 security update
Debian DSA Debian DSA DSA-6270-1 postgresql-17 security update
Ubuntu USN Ubuntu USN USN-8294-1 PostgreSQL vulnerabilities
History
Type Values Removed Values Added
CPEs cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Postgresql
Postgresql postgresql
Vendors & Products Postgresql
Postgresql postgresql
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title PostgreSQL timeofday() can disclose portions of server memory
Weaknesses CWE-134
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
PostgreSQL
Published
Updated
May 14, 2026, 3:30 PM
Reserved
Apr 17, 2026, 12:36 AM
Status
Analyzed
Published
May 14, 2026, 2:16 PM
Modified
Nov 11, 2026, 8:10 PM
Severity
Moderate
Public date
May 14, 2026, 1:00 PM