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


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.21% (11th percentile)

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  • Snyk IDSNYK-CENTOS8-POSTGRESQLUPGRADE-16790453
  • 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 Centos:8 postgresql-upgrade to version 0:16.14-1.module+el8.10.0+24339+d919fb58 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream postgresql-upgrade package and not the postgresql-upgrade package as distributed by Centos. See How to fix? for Centos: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