CVE-2026-6474

PostgreSQL timeofday() can disclose portions of server memory

State: Published
Severity: 4.3 Medium
Published: May 14, 2026
Updated: May 14, 2026
Reserved: Apr 17, 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.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	PostgreSQL

Weaknesses

CWE-134 Use of Externally-Controlled Format String

Affected Products

Product	Versions
PostgreSQLn/a	18 to before 18.4Affected 17 to before 17.10Affected 16 to before 16.14Affected 15 to before 15.18Affected before 14.23Affected

References

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

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