Debian: DSA-4439-1 Moderate: PostgreSQL Row Policy Bypass

Dean Rasheed discovered that row security policies in the PostgreSQL
database system could be bypassed.

For additional information please refer to the upstream announcement
at https://www.postgresql.org/about/news/postgresql-113-108-9613-9517-and-9422-released-1939/

For the stable distribution (stretch), this problem has been fixed in
version 9.6.13-0+deb9u1.

We recommend that you upgrade your postgresql-9.6 packages.

For the detailed security status of postgresql-9.6 please refer to
its security tracker page at:

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/