v7.2.3 Released to fix Potentially Critical Bug

From: "Marc G(dot) Fournier" <scrappy(at)hub(dot)org>
To: pgsql-announce(at)postgresql(dot)org
Cc: pgsql-general(at)postgresql(dot)org
Subject: v7.2.3 Released to fix Potentially Critical Bug
Date: 2002-10-03 23:50:23
Message-ID: 20021003202857.M16642-100000@hub.org
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In order to address a potentially critical bug in the VACUUM code, the
PostgreSQL Global Development Group is releasing v7.2.3 of PostgreSQL.

This release includes a fix for a serious problem that has affected all
7.2.* releases: if a VACUUM command is run by a non-superuser, it is
sometimes possible for the system to prematurely remove old transaction
log data (pg_clog files). This can result in data becoming unrecoverable.
All 7.2.* installations are urged to update to 7.2.3 as soon as possible.

Other changes include;

Prevent non-superuser from increasing most recent vacuum info (Tom)
Handle pre-1970 date values in newer versions of glibc (Tom)
Fix possible hang during server shutdown
Prevent spinlock hangs on SMP PPC machines (Tomoyuki Niijima)
Fix pg_dump to properly dump FULL JOIN USING (Tom)

This new release is available on all standard mirrors, or at the main ftp
site of:


Any bug reports concerning this release should be reported to

Marc G. Fournier
PostgreSQL Global Development Group

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