Alexander Lakhin discovered that PostgreSQL incorrectly handled certain CREATE privileges. An authenticated user could possibly use this issue to execute arbitrary code as the bootstrap supervisor.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "libecpg-compat3" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "libecpg-compat3-dbgsym" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "libecpg-dev" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "libecpg-dev-dbgsym" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "libecpg6" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "libecpg6-dbgsym" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "libpgtypes3" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "libpgtypes3-dbgsym" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "libpq-dev" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "libpq-dev-dbgsym" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "libpq5" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "libpq5-dbgsym" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "postgresql-9.5" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "postgresql-9.5-dbg" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "postgresql-9.5-dbgsym" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "postgresql-client-9.5" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "postgresql-client-9.5-dbgsym" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "postgresql-contrib-9.5" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "postgresql-contrib-9.5-dbgsym" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "postgresql-doc-9.5" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "postgresql-plperl-9.5" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "postgresql-plperl-9.5-dbgsym" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "postgresql-plpython-9.5" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "postgresql-plpython-9.5-dbgsym" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "postgresql-plpython3-9.5" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "postgresql-plpython3-9.5-dbgsym" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "postgresql-pltcl-9.5" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "postgresql-pltcl-9.5-dbgsym" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "postgresql-server-dev-9.5" }, { "binary_version": "9.5.25-0ubuntu0.16.04.1+esm4", "binary_name": "postgresql-server-dev-9.5-dbgsym" } ] }