postgresql-8.3 8.3.12-0ubuntu8.04 source package in Ubuntu

Changelog

postgresql-8.3 (8.3.12-0ubuntu8.04) hardy-security; urgency=low

  * New upstream security/bug fix release: (LP: #655293)
    - Use a separate interpreter for each calling SQL userid in PL/Perl
      and PL/Tcl.
      This change prevents security problems that can be caused by
      subverting Perl or Tcl code that will be executed later in the same
      session under another SQL user identity (for example, within a
      SECURITY DEFINER function). Most scripting languages offer numerous
      ways that that might be done, such as redefining standard functions
      or operators called by the target function. Without this change,
      any SQL user with Perl or Tcl language usage rights can do
      essentially anything with the SQL privileges of the target
      function's owner.
      The cost of this change is that intentional communication among
      Perl and Tcl functions becomes more difficult. To provide an escape
      hatch, PL/PerlU and PL/TclU functions continue to use only one
      interpreter per session. This is not considered a security issue
      since all such functions execute at the trust level of a database
      superuser already.
      It is likely that third-party procedural languages that claim to
      offer trusted execution have similar security issues. We advise
      contacting the authors of any PL you are depending on for
      security-critical purposes.
      Our thanks to Tim Bunce for pointing out this issue
      (CVE-2010-3433).
    - Prevent possible crashes in pg_get_expr() by disallowing it from
      being called with an argument that is not one of the system catalog
      columns it's intended to be used with.
    - Fix incorrect usage of non-strict OR joinclauses in Append
      indexscans.
      This is a back-patch of an 8.4 fix that was missed in the 8.3
      branch. This corrects an error introduced in 8.3.8 that could cause
      incorrect results for outer joins when the inner relation is an
      inheritance tree or UNION ALL subquery.
    - Fix possible duplicate scans of UNION ALL member relations.
    - Fix "cannot handle unplanned sub-select" error.
      This occurred when a sub-select contains a join alias reference
      that expands into an expression containing another sub-select.
    - Fix failure to mark cached plans as transient.
      If a plan is prepared while "CREATE INDEX CONCURRENTLY" is in
      progress for one of the referenced tables, it is supposed to be
      re-planned once the index is ready for use. This was not happening
      reliably.
    - Reduce PANIC to ERROR in some occasionally-reported btree failure
      cases, and provide additional detail in the resulting error
      messages.
      This should improve the system's robustness with corrupted indexes.
    - Prevent show_session_authorization() from crashing within
      autovacuum processes.
    - Defend against functions returning setof record where not all the
      returned rows are actually of the same rowtype.
    - Fix possible failure when hashing a pass-by-reference function
      result.
    - Improve merge join's handling of NULLs in the join columns.
      A merge join can now stop entirely upon reaching the first NULL, if
      the sort order is such that NULLs sort high.
    - Take care to fsync the contents of lockfiles (both "postmaster.pid"
      and the socket lockfile) while writing them.
      This omission could result in corrupted lockfile contents if the
      machine crashes shortly after postmaster start. That could in turn
      prevent subsequent attempts to start the postmaster from
      succeeding, until the lockfile is manually removed.
    - Avoid recursion while assigning XIDs to heavily-nested
      subtransactions.
      The original coding could result in a crash if there was limited
      stack space.
    - Avoid holding open old WAL segments in the walwriter process.
      The previous coding would prevent removal of no-longer-needed
      segments.
    - Fix log_line_prefix's %i escape, which could produce junk early in
      backend startup.
    - Fix possible data corruption in "ALTER TABLE ... SET TABLESPACE"
      when archiving is enabled.
    - Allow "CREATE DATABASE" and "ALTER DATABASE ... SET TABLESPACE" to
      be interrupted by query-cancel.
    - Fix "REASSIGN OWNED" to handle operator classes and families.
    - Fix possible core dump when comparing two empty tsquery values.
    - Fix LIKE's handling of patterns containing % followed by _.
      We've fixed this before, but there were still some
      incorrectly-handled cases.
    - In PL/Python, defend against null pointer results from
      PyCObject_AsVoidPtr and PyCObject_FromVoidPtr.
    - Make psql recognize "DISCARD ALL" as a command that should not be
      encased in a transaction block in autocommit-off mode.
    - Fix ecpg to process data from RETURNING clauses correctly.
    - Improve "contrib/dblink"'s handling of tables containing dropped
      columns.
    - Fix connection leak after "duplicate connection name" errors in
      "contrib/dblink".
    - Fix "contrib/dblink" to handle connection names longer than 62
      bytes correctly.
    - Add hstore(text, text) function to "contrib/hstore".
      This function is the recommended substitute for the now-deprecated
      => operator. It was back-patched so that future-proofed code can be
      used with older server versions. Note that the patch will be
      effective only after "contrib/hstore" is installed or reinstalled
      in a particular database. Users might prefer to execute the "CREATE
      FUNCTION" command by hand, instead.
    - Update build infrastructure and documentation to reflect the source
      code repository's move from CVS to Git.
 -- Martin Pitt <email address hidden>   Wed, 06 Oct 2010 09:56:37 +0200

Upload details

Uploaded by:
Martin Pitt
Sponsored by:
Marc Deslauriers
Uploaded to:
Hardy
Original maintainer:
Ubuntu Developers
Architectures:
any
Section:
misc
Urgency:
Low Urgency

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postgresql-8.3_8.3.12.orig.tar.gz 13.3 MiB 6b430c21cad2b2766ed164cb1f10acb3526421e23f6a636155656d92b98ce538
postgresql-8.3_8.3.12-0ubuntu8.04.diff.gz 70.3 KiB b20f9062b43f73866135df71ca56320d582438681e8bb6dcd749203f81a5899d
postgresql-8.3_8.3.12-0ubuntu8.04.dsc 1.9 KiB 54ea454386092cc99e7cea8088b6965c9b415d4c1c1f69f184b6849468e66a59

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