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<title>OpenBSD 5.4 errata</title>
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This is the OpenBSD 5.4 release errata &amp; patch list:

</font></h2>

<hr>
<a href=stable.html>For OpenBSD patch branch information, 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>,
<br>
<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>,
<a href="errata42.html">4.2</a>,
<a href="errata43.html">4.3</a>,
<a href="errata44.html">4.4</a>,
<a href="errata45.html">4.5</a>,
<a href="errata46.html">4.6</a>,
<a href="errata47.html">4.7</a>,
<a href="errata48.html">4.8</a>,
<a href="errata49.html">4.9</a>,
<a href="errata50.html">5.0</a>,
<a href="errata51.html">5.1</a>,
<a href="errata52.html">5.2</a>,
<a href="errata53.html">5.3</a>.
<br>
<hr>

<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.4.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_5_4</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>.
<hr>

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<ul>
<li><a name="001_pflow"></a>
<font color="#009000"><strong>001: RELIABILITY FIX: Nov 7, 2013</strong></font> &nbsp; <i>All architectures</i><br>
A crash can happen on pflow(4) interface destruction.

<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.4/common/001_pflow.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>

<li><a name="002_sshgcm"></a>
<font color="#009000"><strong>002: SECURITY FIX: Nov 7, 2013</strong></font> &nbsp; <i>All architectures</i><br>
A memory corruption vulnerability exists in the post-authentication sshd process
when an AES-GCM cipher (aes128-gcm@openssh.com or aes256-gcm@openssh.com) is
selected during kex exchange.
Review the <a href="http://www.openssh.com/txt/gcmrekey.adv">gcmrekey advisory</a>
for a mitigation.

<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.4/common/002_sshgcm.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>

<li><a name="003_vnode"></a>
<font color="#009000"><strong>003: RELIABILITY FIX: Nov 11, 2013</strong></font> &nbsp; <i>All architectures</i><br>
An unprivileged user may hang the system.

<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.4/common/003_vnode.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>

<li><a name="004_nginx"></a>
<font color="#009000"><strong>004: SECURITY FIX: Nov 21, 2013</strong></font> &nbsp; <i>All architectures</i><br>
A problem exists in
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=nginx&sektion=8">nginx(8)</a>
which might allow an attacker to bypass security restrictions in certain
configurations by using a specially crafted request.
This issue was assigned CVE-2013-4547.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.4/common/004_nginx.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>

<li><a name="005_sha512"></a>
<font color="#009000"><strong>005: RELIABILITY FIX: Dec 19, 2013</strong></font> &nbsp; <i>Strict alignment architectures</i><br>
In OpenSSL, use of the SHA384 SSL/TLS ciphers may result in a crash of
the application.  The i386, amd64, vax and m68k platforms aren't
affected.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.4/common/005_sha512.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>

<li><a name="006_libXfont"></a>
<font color="#009000"><strong>006: SECURITY FIX: Jan 10, 2014</strong></font> &nbsp; <i>Buffer overflow in parsing of BDF font files</i><br>
A BDF font file containing a longer than expected string could overflow
a buffer on the stack in the X server.
This issue was assigned CVE-2013-6462.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.4/common/006_libXfont.patch">
A source code patch exists which remedies this problem</a>.<br>
<p>

</ul>

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