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release httpd errata. patches by benno, looked over by many

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<font color="#0000ff"><i>Open</i></font><font color="#000084">BSD</font></a>
<font color="#e00000">6.0 Errata</font>
</h2>
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<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="errata56.html">5.6</a>,
<a href="errata57.html">5.7</a>,
<a href="errata58.html">5.8</a>,
<a href="errata59.html">5.9</a>.
<br>
<hr>

<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.0.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_6_0</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_uvmisavail">
<font color="#009000">
<strong>001: RELIABILITY FIX: August 2, 2016</strong></font>
&nbsp; <i>All architectures</i>
<br>
Missing overflow checks in uvm may result in panics.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/001_uvmisavail.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>

<li id="002_perl">
<font color="#009000">
<strong>002: RELIABILITY FIX: August 6, 2016</strong></font>
&nbsp; <i>All architectures</i>
<br>
Fixes IO::Socket::IP complaining about non-numeric version numbers.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/002_perl.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>

<li id="003_relayd">
<font color="#009000">
<strong>003: RELIABILITY FIX: August 6, 2016</strong></font>
&nbsp; <i>All architectures</i>
<br>
Improve relayd's parsing of the Host-header by following RFC 7230
Section 5.4 more strictly.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/003_relayd.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>

<li id="004_smtpd">
<font color="#009000">
<strong>004: RELIABILITY FIX: August 23, 2016</strong></font>
&nbsp; <i>All architectures</i>
<br>
A missing initialization can prevent mail headers from being altered as
intended, resulting in mail being sent to incorrect addresses.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/004_smtpd.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>

<li id="005_wsfont">
<font color="#009000">
<strong>005: RELIABILITY FIX: September 17, 2016</strong></font>
&nbsp; <i>All architectures</i>
<br>
Limit the number of wscons fonts that can be loaded into the kernel.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/005_wsfont.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>

<li id="006_iked">
<font color="#009000">
<strong>006: RELIABILITY FIX: September 17, 2016</strong></font>
&nbsp; <i>All architectures</i>
<br>
During parsing of the iked(8) configuration, a variable is set to 0
by mistake, disabling Pre-Shared Key authentication.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/006_iked.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>

<li id="007_libcrypto">
<font color="#009000">
<strong>007: RELIABILITY FIX: September 22, 2016</strong></font>
&nbsp; <i>All architectures</i>
<br>
Revert change that cleans up the EVP cipher context in EVP_EncryptFinal()
and EVP_DecryptFinal(). Some software relies on the previous behaviour.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/007_libcrypto.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>

<li id="008_libssl">
<font color="#009000">
<strong>008: RELIABILITY FIX: September 22, 2016</strong></font>
&nbsp; <i>All architectures</i>
<br>
Avoid unbounded memory growth in libssl, which can be triggered by a TLS
client repeatedly renegotiating and sending OCSP Status Request TLS extensions.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/008_libssl.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>

<li id="009_libssl">
<font color="#009000">
<strong>009: SECURITY FIX: September 22, 2016</strong></font>
&nbsp; <i>All architectures</i>
<br>
Avoid falling back to a weak digest for (EC)DH when using SNI with libssl.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/009_libssl.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>

<li id="010_smtpd">
<font color="#009000">
<strong>010: RELIABILITY FIX: October 3, 2016</strong></font>
&nbsp; <i>All architectures</i>
<br>
A bug in the smtp session logic can lead to a server crash.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/010_smtpd.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>

<li id="011_xorg_libs">
<font color="#009000">
<strong>011: SECURITY FIX: October 4, 2016</strong></font>
&nbsp; <i>All architectures</i>
<br>
Fix a number of issues in the way various X client libraries handle
server responses.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/011_xorg_libs.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>

<li id="012_amap">
<font color="#009000">
<strong>012: RELIABILITY FIX: October 8, 2016</strong></font>
&nbsp; <i>All architectures</i>
<br>
Allocation of an amap with at least 131072 slots causes an integer overflow
that leads to an infinite loop.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/012_amap.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>

<li id="013_ssh_kexinit">
<font color="#009000">
<strong>013: RELIABILITY FIX: October 10, 2016</strong></font>
&nbsp; <i>All architectures</i>
<br>
A protocol parsing bug in sshd can lead to unauthenticated memory
and CPU consumption.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/013_ssh_kexinit.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>

<li id="014_smtpd.patch">
<font color="#009000">
<strong>014: RELIABILITY FIX: October 13, 2016</strong></font>
&nbsp; <i>All architectures</i>
<br>
A logic issue in smtpd's header parsing can cause SMTP sessions to hang.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/014_smtpd.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>

<li id="015_libssl.patch">
<font color="#009000">
<strong>015: RELIABILITY FIX: November 5, 2016</strong></font>
&nbsp; <i>All architectures</i>
<br>
Avoid continual processing of an unlimited number of TLS records.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/015_libssl.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>

<li id="016_libcrypto.patch">
<font color="#009000">
<strong>016: SECURITY FIX: January 5, 2017</strong></font>
&nbsp; <i>All architectures</i>
<br>
Avoid possible side-channel leak of ECDSA private keys when signing.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/016_libcrypto.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>

<li id="017_httpd.patch">
<font color="#009000">
<strong>017: RELIABILITY FIX: January 31, 2017</strong></font>
&nbsp; <i>All architectures</i>
<br>
A bug in the processing of range headers in httpd can lead to memory
exhaustion and a crash of httpd. This patch disables range header
processing.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/017_httpd.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>

</ul>

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