==========================================================================
Ubuntu Security Notice USN-3479-1
November 14, 2017

postgresql-9.3, postgresql-9.5, postgresql-9.6 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 17.10
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in PostgreSQL.

Software Description:
- postgresql-9.6: Object-relational SQL database
- postgresql-9.5: Object-relational SQL database
- postgresql-9.3: Object-relational SQL database

Details:

David Rowley discovered that PostgreSQL incorrectly handled memory when
processing certain JSON functions. A remote attacker could possibly use
this issue to obtain sensitive information. (CVE-2017-15098)

Dean Rasheed discovered that PostgreSQL incorrectly enforced SELECT
privileges when processing INSERT ... ON CONFLICT DO UPDATE commands. A
remote attacker could possibly use this issue to obtain sensitive
information. This issue only affected Ubuntu 16.04 LTS, Ubuntu 17.04 and
Ubuntu 17.10.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 17.10:
  postgresql-9.6                  9.6.6-0ubuntu0.17.10

Ubuntu 17.04:
  postgresql-9.6                  9.6.6-0ubuntu0.17.04

Ubuntu 16.04 LTS:
  postgresql-9.5                  9.5.10-0ubuntu0.16.04

Ubuntu 14.04 LTS:
  postgresql-9.3                  9.3.20-0ubuntu0.14.04

This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart PostgreSQL to
make all the necessary changes.

References:
  https://www.ubuntu.com/usn/usn-3479-1
  CVE-2017-15098, CVE-2017-15099

Package Information:
  https://launchpad.net/ubuntu/+source/postgresql-9.6/9.6.6-0ubuntu0.17.10
  https://launchpad.net/ubuntu/+source/postgresql-9.6/9.6.6-0ubuntu0.17.04
  https://launchpad.net/ubuntu/+source/postgresql-9.5/9.5.10-0ubuntu0.16.04
  https://launchpad.net/ubuntu/+source/postgresql-9.3/9.3.20-0ubuntu0.14.04