PostgreSQL 7.3.x before 7.3.14, 7.4.x before 7.4.12, 8.0.x before 8.0.7,
and 8.1.x before 8.1.3, when compiled with Asserts enabled, allows local
users to cause a denial of service (server crash) via a crafted SET SESSION
AUTHORIZATION command, a different vulnerability than CVE-2006-0553.