CVE-2009-2940: Pygresql

High severity, CVSS 7.5. EPSS: 2.7% chance of exploitation in the next 30 days.

The pygresql module 3.8.1 and 4.0 for Python does not properly support the PQescapeStringConn function, which might allow remote attackers to leverage escaping issues involving multibyte character encodings.

Affected products

• Pygresql Pygresql: version 3.8.1 only; version 4.0 only

Published 2009-10-22. Last modified 2026-06-16.