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OpenBSD 5.6 errata
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<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="errata53.html">5.3</a>,
<a href="errata54.html">5.4</a>,
<a href="errata55.html">5.5</a>,
<a href="errata57.html">5.7</a>.
<br>
<hr>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6.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_6</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 id="001_rxr">
<font color="#009000"><strong>001: RELIABILITY FIX: September 5, 2014</strong></font>
<i>All architectures</i><br>
Incorrect RX ring computation leads to panics under load with bge(4), em(4) and ix(4).
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/001_rxr.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="002_nd6">
<font color="#009000"><strong>002: RELIABILITY FIX: October 1, 2014</strong></font>
<i>All architectures</i><br>
If IPv6 autoconf is active on an interface and the autoconfprivacy extension is used,
redundant addresses are added whenever an autoconfprivacy address expires.
The autoconfprivacy extension is used by default and can be disabled with ifconfig(8)
as a workaround:
<pre>
# ifconfig em0 -autoconfprivacy
</pre>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/002_nd6.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="003_nginx">
<font color="#009000"><strong>003: SECURITY FIX: October 1, 2014</strong></font>
<i>All architectures</i><br>
nginx can reuse cached SSL sessions in unrelated contexts, allowing virtual
host confusion attacks in some configurations.
This issue was assigned CVE-2014-3616.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/003_nginx.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="004_kernexec">
<font color="#009000"><strong>004: RELIABILITY FIX: October 20, 2014</strong></font>
<i>All architectures</i><br>
Executable headers with an unaligned address will trigger a kernel panic.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/004_kernexec.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="005_nosslv3">
<font color="#009000"><strong>005: SECURITY FIX: October 20, 2014</strong></font>
<i>All architectures</i><br>
This patch disables the SSLv3 protocol by default.
<p>
<i>
Applications depending on SSLv3 may need to be recompiled with
<pre> SSL_CTX_clear_option(ctx, SSL_OP_NO_SSLv3);</pre>
but we recommend against the continued use of this obsolete protocol.
</i>
<p>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/005_nosslv3.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="006_relayd">
<font color="#009000"><strong>006: RELIABILITY FIX: November 17, 2014</strong></font>
<i>All architectures</i><br>
Certain http requests can crash relayd.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/006_relayd.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="007_pfctl">
<font color="#009000"><strong>007: RELIABILITY FIX: November 17, 2014</strong></font>
<i>All architectures</i><br>
A PF rule using an IPv4 address
followed by an IPv6 address and then a dynamic address, e.g. "pass
from {192.0.2.1 2001:db8::1} to (pppoe0)", will have an incorrect /32
mask applied to the dynamic address.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/007_pfctl.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="008_asr">
<font color="#009000"><strong>008: RELIABILITY FIX: November 17, 2014</strong></font>
<i>All architectures</i><br>
Querying an invalid hostname with gethostbyname(3) could cause a NULL deref.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/008_asr.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="009_httpd">
<font color="#009000"><strong>009: RELIABILITY FIX: November 18, 2014</strong></font>
<i>All architectures</i><br>
httpd was developed very rapidly in the weeks before 5.6 release, and
it has a few flaws. It would be nice to get these flaws fully
remediated before the next release, and that requires the community to
want to use it. Therefore here is a "jumbo" patch that brings in the
most important fixes.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/009_httpd.patch.sig">
A source code patch exists which remedies this problem.</a>
<br>
<i>Unfortunately the source tree found on the CD set contains a slightly different
checkout, from just before the release was finished and is missing a few httpd
commits. Therefore, the patch above will not apply correctly. Users are encouraged
to use cvs to get the latest httpd sources if interested.</i>
<p>
<li id="010_pipex">
<font color="#009000"><strong>010: RELIABILITY FIX: December 5, 2014</strong></font>
<i>All architectures</i><br>
Several bugs were fixed that allowed a crash from remote when an active pipex
session exists.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/010_pipex.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="011_pppoe">
<font color="#009000"><strong>011: RELIABILITY FIX: December 5, 2014</strong></font>
<i>All architectures</i><br>
An incorrect memcpy call would result in corrupted MAC addresses when
using PPPOE.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/011_pppoe.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="012_unbound">
<font color="#009000"><strong>012: RELIABILITY FIX: December 9, 2014</strong></font>
<i>All architectures</i><br>
Fix a denial of service where a malicious authority could make the resolver chase an
endless series of delegations. (CVE-2014-8602)
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/012_unbound.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="013_virtio">
<font color="#009000"><strong>013: RELIABILITY FIX: December 9, 2014</strong></font>
<i>All architectures</i><br>
Missing memory barriers in virtio(4) can lead to hangs with virtio devices,
like vio(4) and vioblk(4).
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/013_virtio.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="014_xserver">
<font color="#009000"><strong>014: SECURITY FIX: December 9, 2014</strong></font>
<i>All architectures</i><br>
One year after Ilja van Sprundel discovered and reported a large number
of issues in the way the X server code base handles requests from X clients,
they have been fixed.
<br>
<a href="http://www.x.org/wiki/Development/Security/Advisory-2014-12-09/">X Advisory</a>
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/014_xserver.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="015_libevent">
<font color="#009000"><strong>015: SECURITY FIX: January 13, 2015</strong></font>
<i>All architectures</i><br>
Fix CVE-2014-6272 in libevent 1.4 event buffer handling. OpenBSD
base uses it for the programs: cu tmux ftp-proxy httpd ldapd relayd
tftp-proxy tftpd
<br>
<a href="http://www.wangafu.net/~nickm/volatile/advisory.txt.asc">Libevent Advisory</a>
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/015_libevent.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="016_xserver">
<font color="#009000"><strong>016: SECURITY FIX: March 3, 2015</strong></font>
<i>All architectures</i><br>
Information leak in the XkbSetGeometry request of X servers.
<br>
For more information, see the
<a href="http://www.x.org/wiki/Development/Security/Advisory-2015-02-10/">X.org advisory</a>.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/016_xserver.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="017_openssl">
<font color="#009000"><strong>017: SECURITY FIX: March 13, 2015</strong></font>
<i>All architectures</i><br>
Don't permit TLS client connections to be downgraded to weak keys.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/017_openssl.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="018_freetype">
<font color="#009000"><strong>018: SECURITY FIX: March 13, 2015</strong></font>
<i>All architectures</i><br>
Another fix for buffer overflows in malformed fonts.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/018_freetype.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="019_libxfont">
<font color="#009000"><strong>019: SECURITY FIX: March 18, 2015</strong></font>
<i>All architectures</i><br>
Buffer overflows in libXfont
<br>
For more information, see the
<a href="http://www.x.org/wiki/Development/Security/Advisory-2015-03-17/">X.org advisory</a>.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/019_libxfont.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="020_openssl">
<font color="#009000"><strong>020: SECURITY FIX: March 19, 2015</strong></font>
<i>All architectures</i><br>
Fix several crash causing defects from OpenSSL.<br>
These include:<br>
CVE-2015-0209 - Use After Free following d2i_ECPrivatekey error<br>
CVE-2015-0286 - Segmentation fault in ASN1_TYPE_cmp<br>
CVE-2015-0287 - ASN.1 structure reuse memory corruption<br>
CVE-2015-0288 - X509_to_X509_REQ NULL pointer deref<br>
CVE-2015-0289 - PKCS7 NULL pointer dereferences<br>
<br>
Several other issues did not apply or were already fixed.<br>
For more information, see the
<a href="https://www.openssl.org/news/secadv_20150319.txt">OpenSSL advisory</a>.
<br>
<a href="http://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/020_openssl.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
</ul>
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