Use of Externally-Controlled Format String Affecting postgresql:16/postgresql-static package, versions <0:16.14-1.module+el8.10.0+24339+d919fb58


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.21% (11th percentile)

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  • Snyk IDSNYK-RHEL8-POSTGRESQL-16790531
  • published21 May 2026
  • disclosed14 May 2026

Introduced: 14 May 2026

CVE-2026-6474  (opens in a new tab)
CWE-134  (opens in a new tab)

How to fix?

Upgrade RHEL:8 postgresql:16/postgresql-static to version 0:16.14-1.module+el8.10.0+24339+d919fb58 or higher.
This issue was patched in RHSA-2026:28143.

NVD Description

Note: Versions mentioned in the description apply only to the upstream postgresql:16/postgresql-static package and not the postgresql:16/postgresql-static package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1