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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>E.315. Release 7.3.18</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets V1.79.1" /><link rel="prev" href="release-7-3-19.html" title="E.314. Release 7.3.19" /><link rel="next" href="release-7-3-17.html" title="E.316. Release 7.3.17" /></head><body><div xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">E.315. Release 7.3.18</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="release-7-3-19.html" title="E.314. Release 7.3.19">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="release.html" title="Appendix E. Release Notes">Up</a></td><th width="60%" align="center">Appendix E. Release Notes</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 11.1 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="release-7-3-17.html" title="E.316. Release 7.3.17">Next</a></td></tr></table><hr></hr></div><div class="sect1" id="RELEASE-7-3-18"><div class="titlepage"><div><div><h2 class="title" style="clear: both">E.315. Release 7.3.18</h2></div></div></div><div class="toc"><dl class="toc"><dt><span class="sect2"><a href="release-7-3-18.html#id-1.11.6.319.4">E.315.1. Migration to Version 7.3.18</a></span></dt><dt><span class="sect2"><a href="release-7-3-18.html#id-1.11.6.319.5">E.315.2. Changes</a></span></dt></dl></div><p><strong>Release date: </strong>2007-02-05</p><p>
   This release contains a variety of fixes from 7.3.17, including
   a security fix.
  </p><div class="sect2" id="id-1.11.6.319.4"><div class="titlepage"><div><div><h3 class="title">E.315.1. Migration to Version 7.3.18</h3></div></div></div><p>
    A dump/restore is not required for those running 7.3.X.  However,
    if you are upgrading from a version earlier than 7.3.13,
    see <a class="xref" href="release-7-3-13.html" title="E.320. Release 7.3.13">Section E.320</a>.
   </p></div><div class="sect2" id="id-1.11.6.319.5"><div class="titlepage"><div><div><h3 class="title">E.315.2. Changes</h3></div></div></div><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
     Remove security vulnerability that allowed connected users
     to read backend memory (Tom)
    </p><p>
     The vulnerability involves changing the
     data type of a table column used in a SQL function (CVE-2007-0555).
     This error can easily be exploited to cause a backend crash, and in
     principle might be used to read database content that the user
     should not be able to access.
    </p></li><li class="listitem"><p>
     Fix rare bug wherein btree index page splits could fail
     due to choosing an infeasible split point (Heikki Linnakangas)
    </p></li><li class="listitem"><p>
     Tighten security of multi-byte character processing for UTF8 sequences
     over three bytes long (Tom)
    </p></li></ul></div></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="release-7-3-19.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="release.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="release-7-3-17.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">E.314. Release 7.3.19 </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> E.316. Release 7.3.17</td></tr></table></div></body></html>