<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="noteversion.xml"/>
<section xml:id="relnotes_intro"><info><title>Introduction</title></info>
<para>
- This document summarizes significant changes since the last
- production release of BIND on the corresponding major release
- branch.
- Please see the CHANGES file for a further list of bug fixes and
- other changes.
+ This document summarizes changes since BIND 9.9.9:
+ </para>
+ <para>
+ BIND 9.9.9-P1 addresses Windows installation issues and a race
+ condition in the rbt/rbtdb implementation resulting in named
+ exiting due to assertion failures being detected.
</para>
</section>
<itemizedlist>
<listitem>
<para>
- The resolver could abort with an assertion failure due to
- improper DNAME handling when parsing fetch reply
- messages. This flaw is disclosed in CVE-2016-1286. [RT #41753]
- </para>
- </listitem>
- <listitem>
- <para>
- Malformed control messages can trigger assertions in named
- and rndc. This flaw is disclosed in CVE-2016-1285. [RT
- #41666]
- </para>
- </listitem>
- <listitem>
- <para>
- Specific APL data could trigger an INSIST. This flaw
- is disclosed in CVE-2015-8704. [RT #41396]
- </para>
- </listitem>
- <listitem>
- <para>
- Incorrect reference counting could result in an INSIST
- failure if a socket error occurred while performing a
- lookup. This flaw is disclosed in CVE-2015-8461. [RT#40945]
- </para>
- </listitem>
- <listitem>
- <para>
- Insufficient testing when parsing a message allowed
- records with an incorrect class to be be accepted,
- triggering a REQUIRE failure when those records
- were subsequently cached. This flaw is disclosed
- in CVE-2015-8000. [RT #40987]
+ None.
</para>
</listitem>
</itemizedlist>
<itemizedlist>
<listitem>
<para>
- The following resource record types have been implemented:
- AVC, CSYNC, NINFO, RKEY, SINK, SMIMEA, TA, TALINK.
- </para>
- </listitem>
- <listitem>
- <para>
- Added a warning for a common misconfiguration involving forwarded
- RFC 1918 and IPv6 ULA (Universal Local Address) zones.
- </para>
- </listitem>
- <listitem>
- <para>
- Contributed software from Nominum is included in the source at
- contrib/dnsperf-2.1.0.0-1/. It includes dnsperf for measuring
- the performance of authoritative DNS servers, resperf for
- testing the resolution performance of a caching DNS server,
- resperf-report for generating a resperf report in HTML with
- gnuplot graphs, and queryparse to extract DNS queries from
- pcap capture files. This software is not installed by default
- with BIND.
- </para>
- </listitem>
- <listitem>
- <para>
- When loading a signed zone, <command>named</command> will
- now check whether an RRSIG's inception time is in the future,
- and if so, it will regenerate the RRSIG immediately. This helps
- when a system's clock needs to be reset backwards.
+ None.
</para>
</listitem>
</itemizedlist>
<itemizedlist>
<listitem>
<para>
- Updated the compiled-in addresses for H.ROOT-SERVERS.NET
- and L.ROOT-SERVERS.NET.
- </para>
- </listitem>
- <listitem>
- <para>
- The default preferred glue is now the address type of the
- transport the query was received over.
- </para>
- </listitem>
- <listitem>
- <para>
- On machines with 2 or more processors (CPU), the default value
- for the number of UDP listeners has been changed to the number
- of detected processors minus one.
- </para>
- </listitem>
- <listitem>
- <para>
- Zone transfers now use smaller message sizes to improve
- message compression. This results in reduced network usage.
- </para>
- </listitem>
- <listitem>
- <para>
- named -V output now also includes operating system details.
+ None.
</para>
</listitem>
</itemizedlist>
<itemizedlist>
<listitem>
<para>
- The Microsoft Windows install tool
- <command>BINDInstall.exe</command> which requires a
- non-free version of Visual Studio to be built, now uses two
- files (lists of flags and files) created by the Configure
- perl script with all the needed information which were
- previously compiled in the binary. Read
- <filename>win32utils/build.txt</filename> for more details.
- [RT #38915]
+ None.
</para>
</listitem>
</itemizedlist>
<itemizedlist>
<listitem>
<para>
- rndc flushtree now works even if there wasn't a cached node at the
- specified name. [RT #41846]
- </para>
- </listitem>
- <listitem>
- <para>
- Don't emit records with zero TTL unless the records were
- received with a zero TTL. After being returned to waiting
- clients, the answer will be discarded from the cache. [RT #41687]
- </para>
- </listitem>
- <listitem>
- <para>
- When deleting records from a zone database, interior nodes
- could be left empty but not deleted, damaging search
- performance afterward. [RT #40997] [RT #41941]
- </para>
- </listitem>
- <listitem>
- <para>
- The server could crash due to a use-after-free if a
- zone transfer timed out. [RT #41297]
+ Windows installs were failing due to triggering UAC without
+ the installation binary being signed.
</para>
</listitem>
<listitem>
<para>
- Authoritative servers that were marked as bogus (e.g. blackholed
- in configuration or with invalid addresses) were being queried
- anyway. [RT #41321]
+ A race condition in rbt/rbtdb was leading to INSISTs being
+ triggered.
</para>
</listitem>
</itemizedlist>