CVE-2026-6474

Name: CVE-2026-6474
Creator: NVD / NIST
Published: 2026-05-14T14:16:24.997+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2026-6474 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.21%

10.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-134

Affected Software

Vendor	Product	Versions
Postgresql	Postgresql	< 14.23
Postgresql	Postgresql	>= 15.0, < 15.18
Postgresql	Postgresql	>= 16.0, < 16.14
Postgresql	Postgresql	>= 17.0, < 17.10
Postgresql	Postgresql	>= 18.0, < 18.4

References

https://www.postgresql.org/support/security/CVE-2026-6474/Patch, Vendor Advisory

Timeline

Published: May 14, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-6474?

How severe is CVE-2026-6474?

CVE-2026-6474 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2026-6474?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-6474?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST