The host is installed with PostgreSQL 9.x before 9.6.17, 10.x before 10.12 and 11.x before 11.7 or 12.x before 12.2 and is prone to a database corruption vulnerability. A flaw is present in the application which fails to handle an authorization check issue in PostgreSQL's "ALTER ... DEPENDS ON EXTENSION". Successful exploitation allows attackers to perform drop objects such as function, triggers, ...