BIND 9.9.9rc1 Release Notes
| Author: ISC Support Reference Number: AA-01374 Views: 1663 Created: 2016-04-18 19:57 Last Updated: 2016-04-18 19:57
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This document summarizes significant changes since the last
production release of BIND on the corresponding major release
Please see the CHANGES file for a further list of bug fixes and
The latest versions of BIND 9 software can always be found at
There you will find additional information about each release,
source code, and pre-compiled versions for Microsoft Windows
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]
Malformed control messages can trigger assertions in named
and rndc. This flaw is disclosed in CVE-2016-1285. [RT
Specific APL data could trigger an INSIST. This flaw
is disclosed in CVE-2015-8704. [RT #41396]
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]
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]
The following resource record types have been implemented:
AVC, CSYNC, NINFO, RKEY, SINK, SMIMEA, TA, TALINK.
Added a warning for a common misconfiguration involving forwarded
RFC 1918 and IPv6 ULA (Universal Local Address) zones.
Contributed software from Nominum is included in the source at
contrib/dnsperf-22.214.171.124-1/. 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
When loading a signed zone, named 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.
Updated the compiled-in addresses for H.ROOT-SERVERS.NET
The default preferred glue is now the address type of the
transport the query was received over.
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.
Zone transfers now use smaller message sizes to improve
message compression. This results in reduced network usage.
named -V output now also includes operating system details.
The Microsoft Windows install tool
BINDInstall.exe 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
win32utils/build.txt for more details.
rndc flushtree now works even if there wasn't a cached node at the
specified name. [RT #41846]
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]
When deleting records from a zone database, interior nodes
could be left empty but not deleted, damaging search
performance afterward. [RT #40997] [RT #41941]
The server could crash due to a use-after-free if a
zone transfer timed out. [RT #41297]
Authoritative servers that were marked as bogus (e.g. blackholed
in configuration or with invalid addresses) were being queried
anyway. [RT #41321]
Thank you to everyone who assisted us in making this release possible.
If you would like to contribute to ISC to assist us in continuing to
make quality open source software, please visit our donations page at
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