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errata 004: pf memory leak

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This is the OpenBSD 4.2 release errata &amp; patch list:

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<hr>
<a href=stable.html>For OpenBSD patch branch information, please refer here.</a><br>
<a href=pkg-stable.html>For important packages updates, please refer here.</a><br>
<br>
For errata on a certain release, click below:<br>
<a href="errata21.html">2.1</a>,
<a href="errata22.html">2.2</a>,
<a href="errata23.html">2.3</a>,
<a href="errata24.html">2.4</a>,
<a href="errata25.html">2.5</a>,
<a href="errata26.html">2.6</a>,
<a href="errata27.html">2.7</a>,
<a href="errata28.html">2.8</a>,
<a href="errata29.html">2.9</a>,
<a href="errata30.html">3.0</a>,
<a href="errata31.html">3.1</a>,
<a href="errata32.html">3.2</a>,
<a href="errata33.html">3.3</a>,
<a href="errata34.html">3.4</a>,
<a href="errata35.html">3.5</a>,
<a href="errata36.html">3.6</a>,
<a href="errata37.html">3.7</a>,
<a href="errata38.html">3.8</a>,
<a href="errata39.html">3.9</a>,
<a href="errata40.html">4.0</a>,
<a href="errata41.html">4.1</a>.
<br>
<hr>

<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.2.tar.gz">
You can also fetch a tar.gz file containing all the following patches</a>.
This file is updated once a day.

<p> The patches below are available in CVS via the
<code>OPENBSD_4_2</code> <a href="stable.html">patch branch</a>.

<p>
For more detailed information on how to install patches to OpenBSD, please
consult the <a href="./faq/faq10.html#Patches">OpenBSD FAQ</a>.
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<ul>

<li><a name="004_pf"></a>
<font color="#009000"><strong>004: RELIABILITY FIX: November 27, 2007</strong></font> &nbsp; <i>All architectures</i><br>
A memory leak in pf can lead to machine lockups.<br>
<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.2/common/004_pf.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>

<li><a name="003_i386_boot"></a>
<font color="#009000"><strong>003: CD BOOT FAILURE ON OLDER COMPUTERS : October 30, 2007</strong></font> &nbsp; <i>i386 only</i><br>
Some older BIOSes are unable to boot CD1.
A workaround using CD2 (amd64 architecture) is as follows.
(An amd64 machine is <i>NOT</i> required for this to work.)<br>
<br>

<ol>
<li>Insert CD2 and tell your computer to boot it;<br>
<li>When the <tt>boot></tt> prompt appears, stop the automatic boot
by pressing the space bar;<br>
<li>Remove CD2 and insert CD1;<br>
<li>Erase the character you typed to stop the boot, type<br>
<tt><b>boot /4.2/i386/bsd.rd</b></tt><br>
then press <i>Enter</i>.
</ol>

<p>

<li><a name="002_openssl"></a>
<font color="#009000"><strong>002: SECURITY FIX: October 10, 2007</strong></font> &nbsp; <i>All architectures</i><br>
The SSL_get_shared_ciphers() function in OpenSSL contains an off-by-one overflow.<br>
<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.2/common/002_openssl.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>

<li><a name="001_dhcpd"></a>
<font color="#009000"><strong>001: SECURITY FIX: October 8, 2007</strong></font> &nbsp; <i>All architectures</i><br>
Malicious DHCP clients could cause dhcpd(8) to corrupt its stack<br>
A DHCP client that claimed to require a maximum message size less than
the minimum IP MTU could cause dhcpd(8) to overwrite stack memory.
<br>
<a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.2/common/001_dhcpd.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>

</ul>

<hr>
<a href=stable.html>For OpenBSD patch branch information, please refer here.</a><br>
<a href=pkg-stable.html>For important packages updates, please refer here.</a><br>
<br>
For errata on a certain release, click below:<br>
<a href="errata21.html">2.1</a>,
<a href="errata22.html">2.2</a>,
<a href="errata23.html">2.3</a>,
<a href="errata24.html">2.4</a>,
<a href="errata25.html">2.5</a>,
<a href="errata26.html">2.6</a>,
<a href="errata27.html">2.7</a>,
<a href="errata28.html">2.8</a>,
<a href="errata29.html">2.9</a>,
<a href="errata30.html">3.0</a>,
<a href="errata31.html">3.1</a>,
<a href="errata32.html">3.2</a>,
<a href="errata33.html">3.3</a>,
<a href="errata34.html">3.4</a>,
<a href="errata35.html">3.5</a>,
<a href="errata36.html">3.6</a>,
<a href="errata37.html">3.7</a>,
<a href="errata38.html">3.8</a>,
<a href="errata39.html">3.9</a>,
<a href="errata40.html">4.0</a>,
<a href="errata41.html">4.1</a>.
<br>

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