Ubuntu Security Notice 3972-1 - It was discovered that PostgreSQL incorrectly handled partition routing. A remote user could possibly use this issue to read arbitrary bytes of server memory. This issue only affected Ubuntu 19.04. Dean Rasheed discovered that PostgreSQL incorrectly handled selectivity estimators. A remote attacker could possibly use this issue to bypass row security policies.
958d050818c194ee55d1520ca4a5c677f3e6612680f5a2a24888fad040a4c0ea