Vulnerability intelligence

CVE-2023-39417

Red Hat Red Hat Advanced Cluster Security 4.2 CWE-89

IN THE EXTENSION SCRIPT, a SQL Injection vulnerability was found in PostgreSQL if it uses @extowner@, @extschema@, or @extschema:...@ inside a quoting construct (dollar quoting, '', or ""). If an administrator has installed files of a vulnerable, trusted, non-bundled extension, an attacker with database-level CREATE privilege can execute arbitrary code as the bootstrap superuser.

CVSS Score

7.5

High

EPSS — Exploit Probability

1.7%

Riskier than 75% of all CVEs · checked 2026-09-09

Exploitation

Not in CISA KEV

KEV does not include every exploited vulnerability

Remediation

Patch available

Vendor fix published