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This is the OpenBSD 5.3 release errata & 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>,
<br>
<a href="errata54.html">5.4</a>,
<a href="errata55.html">5.5</a>,
<a href="errata56.html">5.6</a>.
<br>
<hr>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.3.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_3</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>.
<p>
<hr>
<ul>
<li><a name="001_bgpd"></a>
<font color="#009000"><strong>001: RELIABILITY FIX: March 15, 2013</strong></font>
<i>All architectures</i><br>
A rare condition during session startup may cause bgpd to replace
an active session leading to unknown consequences. Bug found by
inspection (we do not know how to reproduce it, consider that a challenge).
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.3/common/001_bgpd.patch">
A source code patch exists which remedies this problem.</a>
<p>
<li><a name="002_vr"></a>
<font color="#009000"><strong>002: RELIABILITY FIX: May 5, 2013</strong></font>
<i>All architectures</i><br>
A flaw exists in the <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=vr&sektion=4"
>vr(4)</a> driver that may cause it to not recover from some error conditions.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.3/common/002_vr.patch">
A source code patch exists which remedies this problem.</a>
<p>
<li><a name="003_nginx"></a>
<font color="#009000"><strong>003: RELIABILITY FIX: May 17, 2013</strong></font>
<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>
if proxy_pass is used with untrusted HTTP backend servers.
The problem may lead to a denial of service or a disclosure of a
worker process memory on a specially crafted response from an
upstream proxied server.
This issue was assigned CVE-2013-2070.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.3/common/003_nginx.patch">
A source code patch exists which remedies this problem.</a>
<p>
<li><a name="004_route"></a>
<font color="#009000"><strong>004: RELIABILITY FIX: May 17, 2013</strong></font>
<i>All architectures</i><br>
As discovered by Peter Philipp, it is possible for an unprivileged user
process to trigger deleting the undeletable RNF_ROOT route, resulting in
a kernel panic.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.3/common/004_route.patch">
A source code patch exists which remedies this problem.</a>
<p>
<li><a name="005_in6"></a>
<font color="#009000"><strong>005: RELIABILITY FIX: May 31, 2013</strong></font>
<i>All architectures</i><br>
A local denial of service is possible by an unprivileged user if the
SIOCSIFADDR ioctl is performed upon an AF_INET6 socket with a specially
crafted parameter.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.3/common/005_in6.patch">
A source code patch exists which remedies this problem.</a>
<p>
<li><a name="006_tftpd"></a>
<font color="#009000"><strong>006: RELIABILITY FIX: June 12, 2013</strong></font>
<i>All architectures</i><br>
A denial of services was discovered where certain combinations of
TFTP options could cause OACK generation to fail, which in turn
caused a double free in tftpd.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.3/common/006_tftpd.patch">
A source code patch exists which remedies this problem.</a>
<p>
<li><a name="007_vio"></a>
<font color="#009000"><strong>007: RELIABILITY FIX: June 12, 2013</strong></font>
<i>All architectures</i><br>
Two flaws in the <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=vio&sektion=4">vio(4)</a>
driver may cause a kernel panic, and may cause IPv6 neighbour discovery to fail
due to multicast receive problems.<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.3/common/007_vio.patch">
A source code patch exists which remedies this problem.</a>
<p>
<li><a name="008_pflow"></a>
<font color="#009000"><strong>008: RELIABILITY FIX: Nov 7, 2013</strong></font>
<i>All architectures</i><br>
A crash can happen on
<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=pflow&manpath=OpenBSD+5.3&sektion=4">pflow(4)</a>
interface destruction.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.3/common/008_pflow.patch">
A source code patch exists which remedies this problem.</a>
<p>
<li><a name="009_sshgcm"></a>
<font color="#009000"><strong>009: SECURITY FIX: Nov 7, 2013</strong></font>
<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/5.3/common/009_sshgcm.patch">
A source code patch exists which remedies this problem.</a>
<p>
<li><a name="010_vnode"></a>
<font color="#009000"><strong>010: RELIABILITY FIX: Nov 11, 2013</strong></font>
<i>All architectures</i><br>
An unprivileged user may hang the system.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.3/common/010_vnode.patch">
A source code patch exists which remedies this problem.</a>
<p>
<li><a name="011_nginx"></a>
<font color="#009000"><strong>011: SECURITY FIX: Nov 21, 2013</strong></font>
<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/5.3/common/011_nginx.patch">
A source code patch exists which remedies this problem.</a>
<p>
<li><a name="012_sha512"></a>
<font color="#009000"><strong>012: RELIABILITY FIX: Dec 19, 2013</strong></font>
<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/5.3/common/012_sha512.patch">
A source code patch exists which remedies this problem.</a>
<p>
<li><a name="013_libXfont"></a>
<font color="#009000"><strong>013: SECURITY FIX: Jan 10, 2014</strong></font>
<i>All architectures</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/5.3/common/013_libXfont.patch">
A source code patch exists which remedies this problem.</a>
<p>
<li><a name="014_openssl"></a>
<font color="#009000"><strong>014: SECURITY FIX: April 8, 2014</strong></font>
<i>All architectures</i><br>
Missing bounds checking in OpenSSL's implementation of the TLS/DTLS
heartbeat extension (RFC6520) which can result in a leak of memory contents.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.3/common/014_openssl.patch">
A source code patch exists which remedies this problem.</a>
<p>
<li><a name="015_openssl"></a>
<font color="#009000"><strong>015: SECURITY FIX: April 12, 2014</strong></font>
<i>All architectures</i><br>
A use-after-free race condition in OpenSSL's read buffer may permit an attacker
to inject data from one connection into another.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.3/common/015_openssl.patch">
A source code patch exists which remedies this problem.</a>
<p>
</ul>
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