All active branches and versions since 7.4.30 have a security update to prevent unauthorized privilege escalation.

A security update for PostgreSQL active branches and versions 9.0.1, 8.4.5, 8.3.12, 8.2.18, 8.1.22, 8.0.26 and 7.4.30 has been released to address a prevention of unauthorized privilege escalation that was seen by modifying “trusted” procedural functions. The fix also includes uptime, data integrity, and error handling issues. The fix also includes many internal documentation updates and 130 bugfixes.