PostgreSQL 7.4 before 7.4.29, 8.0 before 8.0.25, 8.1 before 8.1.21, 8.2 before 8.2.17, 8.3 before 8.3.11, and 8.4 before 8.4.4 does not properly check privileges during certain RESET ALL operations, which allows remote authenticated users to remove arbitrary parameter settings via a (1) ALTER USER or (2) ALTER DATABASE statement.
PostgreSQL 7.4 before 7.4.29, 8.0 before 8.0.25, 8.1 before 8.1.21, 8.2 before 8.2.17, 8.3 before 8.3.11, 8.4 before 8.4.4, and 9.0 Beta before 9.0 Beta 2 does not properly restrict PL/perl procedures, which allows remote authenticated users, with database-creation privileges, to execute arbitrary Perl code via a crafted script, related to the Safe module (aka Safe.pm) for Perl. NOTE: some sources report that this issue is the same as CVE-2010-1447.
The postgresql-ocaml bindings 1.5.4, 1.7.0, and 1.12.1 for PostgreSQL libpq do not properly support the PQescapeStringConn function, which might allow remote attackers to leverage escaping issues involving multibyte character encodings.