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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a PostgreSQL unaffected
Version Status Constraints
18 affected < 18.4
17 affected < 17.10
16 affected < 16.14
15 affected < 15.18
0 affected < 14.23

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Project Subscriptions

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6269-1 postgresql-15 security update
Debian DSA Debian DSA DSA-6270-1 postgresql-17 security update
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.postgresql.org/support/security/CVE-2026-6474/ cve-icon cve-icon
History

Thu, 14 May 2026 13:30:00 +0000

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: PostgreSQL

Published:

Updated: 2026-05-14T13:00:10.254Z

Reserved: 2026-04-17T00:36:25.451Z

Link: CVE-2026-6474

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-05-14T14:16:24.997

Modified: 2026-05-14T14:16:24.997

Link: CVE-2026-6474

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-14T14:45:22Z

Weaknesses