[Bug 557408] Re: New upstream microreleases: 8.4.3, 8.3.10, 8.1.20

[Launchpad Bug Tracker]

This bug was fixed in the package postgresql-8.4 - 8.4.3-0ubuntu9.10

---------------
postgresql-8.4 (8.4.3-0ubuntu9.10) karmic-proposed; urgency=low

  * New upstream bug fix release: (LP: #557408)
    - Add new configuration parameter ssl_renegotiation_limit to control
      how often we do session key renegotiation for an SSL connection.
      This can be set to zero to disable renegotiation completely, which
      may be required if a broken SSL library is used. In particular,
      some vendors are shipping stopgap patches for CVE-2009-3555 that
      cause renegotiation attempts to fail.
    - Fix possible deadlock during backend startup.
    - Fix possible crashes due to not handling errors during relcache
      reload cleanly.
    - Fix possible crash due to use of dangling pointer to a cached plan.
    - Fix possible crash due to overenthusiastic invalidation of cached
      plan for "ROLLBACK".
    - Fix possible crashes when trying to recover from a failure in
      subtransaction start.
    - Fix server memory leak associated with use of savepoints and a
      client encoding different from server's encoding.
    - Fix incorrect WAL data emitted during end-of-recovery cleanup of a
      GIST index page split.
    - Fix bug in WAL redo cleanup method for GIN indexes.
    - Fix incorrect comparison of scan key in GIN index search.
    - Make substring() for bit types treat any negative length as meaning
      "all the rest of the string". The previous coding treated only -1 that
      way, and would produce an invalid result value for other negative
      values, possibly leading to a crash (CVE-2010-0442).
    - Fix integer-to-bit-string conversions to handle the first
      fractional byte correctly when the output bit width is wider than
      the given integer by something other than a multiple of 8 bits.
    - Fix some cases of pathologically slow regular expression matching.
    - Fix bug occurring when trying to inline a SQL function that returns
      a set of a composite type that contains dropped columns.
    - Fix bug with trying to update a field of an element of a
      composite-type array column.
    - Avoid failure when "EXPLAIN" has to print a FieldStore or
      assignment ArrayRef expression.
      These cases can arise now that "EXPLAIN VERBOSE" tries to print
      plan node target lists.
    - Avoid an unnecessary coercion failure in some cases where an
      undecorated literal string appears in a subquery within
      "UNION"/"INTERSECT"/"EXCEPT".
      This fixes a regression for some cases that worked before 8.4.
    - Avoid undesirable rowtype compatibility check failures in some
      cases where a whole-row Var has a rowtype that contains dropped
      columns.
    - Fix the STOP WAL LOCATION entry in backup history files to report
      the next WAL segment's name when the end location is exactly at a
      segment boundary.
    - Always pass the catalog ID to an option validator function
      specified in "CREATE FOREIGN DATA WRAPPER".
    - Fix some more cases of temporary-file leakage.
      This corrects a problem introduced in the previous minor release.
      One case that failed is when a plpgsql function returning set is
      called within another function's exception handler.
    - Add support for doing FULL JOIN ON FALSE.
      This prevents a regression from pre-8.4 releases for some queries
      that can now be simplified to a constant-false join condition.
    - Improve constraint exclusion processing of boolean-variable cases,
      in particular make it possible to exclude a partition that has a
      "bool_column = false" constraint.
    - Prevent treating an INOUT cast as representing binary compatibility.
    - Include column name in the message when warning about inability to
      grant or revoke column-level privileges.
      This is more useful than before and helps to prevent confusion when
      a "REVOKE" generates multiple messages, which formerly appeared to
      be duplicates.
    - When reading "pg_hba.conf" and related files, do not treat
      @something as a file inclusion request if the @ appears inside
      quote marks; also, never treat @ by itself as a file inclusion
      request.
      This prevents erratic behavior if a role or database name starts
      with @. If you need to include a file whose path name contains
      spaces, you can still do so, but you must write @"/path to/file"
      rather than putting the quotes around the whole construct.
    - Prevent infinite loop on some platforms if a directory is named as
      an inclusion target in "pg_hba.conf" and related files.
    - Fix possible infinite loop if SSL_read or SSL_write fails without
      setting errno.
      This is reportedly possible with some Windows versions of openssl.
    - Disallow GSSAPI authentication on local connections, since it
      requires a hostname to function correctly.
    - Protect ecpg against applications freeing strings unexpectedly.
    - Make ecpg report the proper SQLSTATE if the connection disappears.
    - Fix translation of cell contents in psql \d output.
    - Fix psql's numericlocale option to not format strings it shouldn't
      in latex and troff output formats.
    - Fix a small per-query memory leak in psql.
    - Make psql return the correct exit status (3) when ON_ERROR_STOP and
      --single-transaction are both specified and an error occurs during
      the implied "COMMIT".
    - Fix pg_dump's output of permissions for foreign servers.
    - Fix possible crash in parallel pg_restore due to out-of-range
      dependency IDs.
    - Fix plpgsql failure in one case where a composite column is set to
      NULL.
    - Fix possible failure when calling PL/Perl functions from PL/PerlU
      or vice versa.
    - Add volatile markings in PL/Python to avoid possible
      compiler-specific misbehavior>
    - Ensure PL/Tcl initializes the Tcl interpreter.
      The only known symptom of this oversight is that the Tcl clock
      command misbehaves if using Tcl 8.5 or later.
    - Prevent ExecutorEnd from being run on portals created within a
      failed transaction or subtransaction.
      This is known to cause issues when using "contrib/auto_explain".
    - Prevent crash in "contrib/dblink" when too many key columns are
      specified to a dblink_build_sql_- function.
    - Allow zero-dimensional arrays in "contrib/ltree" operations.
      This case was formerly rejected as an error, but it's more
      convenient to treat it the same as a zero-element array. In
      particular this avoids unnecessary failures when an ltree operation
      is applied to the result of ARRAY(SELECT ...) and the sub-select
      returns no rows.
    - Fix assorted crashes in "contrib/xml2" caused by sloppy memory
      management.
 -- Martin Pitt <martin.pitt at ubuntu.com>   Wed, 07 Apr 2010 18:37:40 +0200

-- 
New upstream microreleases: 8.4.3, 8.3.10, 8.1.20
https://bugs.launchpad.net/bugs/557408
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