View at Official ubuntu advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2016-2193 medium priority: Ubuntu including 5 source packages (postgresql-8.4, postgresql-9.1, postgresql-9.3, postgresql-9.4, postgresql-9.5), 20 status rows across 4 suites (precise, trusty, upstream, wily): DNE 11, not-affected 8, released 1.
PostgreSQL before 9.5.x before 9.5.2 does not properly maintain row-security status in cached plans, which might allow attackers to bypass intended access restrictions by leveraging a session that performs queries as more than one role.