Security update for postgresql93 (important)

The postgresql server postgresql93 was updated to 9.3.14 fixes the
following issues:

Update to version 9.3.14:

• Fix possible mis-evaluation of nested CASE-WHEN expressions
  (CVE-2016-5423, boo#993454)
• Fix client programs’ handling of special characters in database and role
  names (CVE-2016-5424, boo#993453)
• Fix corner-case misbehaviors for IS NULL/IS NOT NULL applied to nested
  composite values
• Make the inet and cidr data types properly reject IPv6 addresses with
  too many colon-separated fields
• Prevent crash in close_ps() (the point ## lseg operator) for NaN input
  coordinates
• Fix several one-byte buffer over-reads in to_number()
• Avoid unsafe intermediate state during expensive paths through
  heap_update()
• For the other bug fixes, see the release notes:
  <a href=“https://www.postgresql.org/docs/9.3/static/release-9-3-14.html”>https://www.postgresql.org/docs/9.3/static/release-9-3-14.html</a>

Update to version 9.3.13:

This update fixes several problems which caused downtime for users,
including:

• Clearing the OpenSSL error queue before OpenSSL calls, preventing errors
  in SSL connections, particularly when using the Python, Ruby or PHP
  OpenSSL wrappers
• Fixed the "failed to build N-way joins" planner error
• Fixed incorrect handling of equivalence in multilevel nestloop query
  plans, which could emit rows which didn’t match the WHERE clause.
• Prevented two memory leaks with using GIN indexes, including a potential
  index corruption risk. The release also includes many other bug fixes
  for reported issues, many of which affect all supported versions:
• Fix corner-case parser failures occurring when
  operator_precedence_warning is turned on
• Prevent possible misbehavior of TH, th, and Y,YYY format codes in
  to_timestamp()
• Correct dumping of VIEWs and RULEs which use ANY (array) in a subselect
• Disallow newlines in ALTER SYSTEM parameter values
• Avoid possible misbehavior after failing to remove a tablespace symlink
• Fix crash in logical decoding on alignment-picky platforms
• Avoid repeated requests for feedback from receiver while shutting down
  walsender
• Multiple fixes for pg_upgrade
• Support building with Visual Studio 2015
• This update also contains tzdata release 2016d, with updates for Russia,
  Venezuela, Kirov, and Tomsk.
  <a href=“http://www.postgresql.org/docs/current/static/release-9-3-13.html”>http://www.postgresql.org/docs/current/static/release-9-3-13.html</a>

Update to version 9.3.12:

• Fix two bugs in indexed ROW() comparisons
• Avoid data loss due to renaming files
• Prevent an error in rechecking rows in SELECT FOR UPDATE/SHARE
• Fix bugs in multiple json_ and jsonb_ functions
• Log lock waits for INSERT ON CONFLICT correctly
• Ignore recovery_min_apply_delay until reaching a consistent state
• Fix issue with pg_subtrans XID wraparound
• Fix assorted bugs in Logical Decoding
• Fix planner error with nested security barrier views
• Prevent memory leak in GIN indexes
• Fix two issues with ispell dictionaries
• Avoid a crash on old Windows versions
• Skip creating an erroneous delete script in pg_upgrade
• Correctly translate empty arrays into PL/Perl
• Make PL/Python cope with identifier names

For the full release notes, see:
<a href=“http://www.postgresql.org/docs/9.4/static/release-9-3-12.html”>http://www.postgresql.org/docs/9.4/static/release-9-3-12.html</a>