CVE-2009-4136: PostgreSQL

Medium severity, CVSS 6.5. EPSS: 3.6% chance of exploitation in the next 30 days.

PostgreSQL 7.4.x before 7.4.27, 8.0.x before 8.0.23, 8.1.x before 8.1.19, 8.2.x before 8.2.15, 8.3.x before 8.3.9, and 8.4.x before 8.4.2 does not properly manage session-local state during execution of an index function by a database superuser, which allows remote authenticated users to gain privileges via a table with crafted index functions, as demonstrated by functions that modify (1) search_path or (2) a prepared statement, a related issue to CVE-2007-6600 and CVE-2009-3230.

Affected products

• PostgreSQL PostgreSQL: version 7.4.1 only; version 7.4.2 only; version 7.4.3 only; version 7.4.4 only; version 7.4.5 only; version 7.4.6 only; …

Published 2009-12-15. Last modified 2026-06-16.