Rapid7

vulnerability

Ubuntu: USN-6296-1 (CVE-2023-39418): PostgreSQL vulnerabilities

Severity
4
CVSS
(AV:N/AC:M/Au:S/C:N/I:P/A:N)
Published
Aug 11, 2023
Added
Aug 18, 2023
Modified
Mar 27, 2026

Description

A vulnerability was found in PostgreSQL with the use of the MERGE command, which fails to test new rows against row security policies defined for UPDATE and SELECT. If UPDATE and SELECT policies forbid some rows that INSERT policies do not forbid, a user could store such rows.

Solutions

ubuntu-upgrade-postgresql-15ubuntu-upgrade-postgresql-client-15
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.