From the announcement: CVE-2024-10976: PostgreSQL row security below e.g. subqueries disregards user ID changes CVE-2024-10977: PostgreSQL libpq retains an error message from man-in-the-middle CVE-2024-10978: PostgreSQL SET ROLE, SET SESSION AUTHORIZATION reset to wrong user ID CVE-2024-10979: PostgreSQL PL/Perl environment variable changes execute arbitrary code