BIND 9.6-ESV-R11-W1 is now available

Michael McNally mcnally at
Thu Feb 13 03:08:33 UTC 2014


   BIND 9.6-ESV-R11-W1 is the latest and final production release
   of BIND 9.6.  The -W1 suffix in the version name indicates that
   this a special out-of-cycle release to correct a defect that is
   specific to the Windows platform only.  Please see the release
   note for #35288 for specific details.

   BIND 9.6-ESV is an Extended Support Version of BIND. The BIND
   9.6-ESV branch has reached its End of Life. There will be no
   further bug fixes to it of any kind and BIND 9.6-ESV-R11-W1 is
   our final release version of the 9.6 releases. We recommend that
   you plan your upgrade to BIND 9.9.5 or higher.  BIND 9.9 is our
   current ESV Extended Support Version and will be supported for
   three more years.

   This document summarizes changes from BIND 9.6-ESV-R10 to BIND
   9.6-ESV-R11-W1. Please see the CHANGES file in the source code
   release for a complete list of all changes.


   The latest versions of BIND 9 software can always be found on
   our web site at There you will
   find additional information about each release, source code, and
   pre-compiled versions for Microsoft Windows operating systems.


   Professional support is provided by DNSco. Information about
   paid support options is available at
   Free support is provided by our user community via a mailing
   list. Information on all public email lists is available at

Security Fixes

   Treat an all zero netmask as invalid when generating the localnets
   acl to work around a bug on the Windows platform. [CVE-2013-6230]
   [RT #34687]

   Fix crashes when serving some NSEC3 signed zones. memcpy was
   incorrectly called with overlapping ranges, resulting in malformed
   names being generated on some platforms. This could cause INSIST
   failures. (CVE 2014-0591) [RT #35120]

Feature Changes

   Add the ability to specify ndots to "nslookup". [RT #34711]

   Check that EDNS subnet client options are well formed. [RT #34718]

   "named" now preserves the capitalization of names when responding
   to queries. [RT #34737]

   Use separate rate limiting queues for refresh and notify requests.
   [RT #30589]

   Adjust when a master server is deemed unreachable to be less
   aggressive. [RT #27075]

   Create delegations for all "children" of empty zones except
   "forward first". [RT #34826]

   Changed the name of "" developers script (for
   outputting compiler and linker flags) to "bind9-config". [RT #23825]

   Add "dig" option to keep the TCP socket open between successive
   queries (+[no]keepopen).  [RT #34918]

   "named-checkconf -z" now checks zones of type hint as well as
   master. [RT #35046]

   Update config.guess and config.sub to add support for ppc64le
   (powerpc 64-bit Little Endian). [RT #35060]

   "named" can now accept integer timestamps in RRSIG records. [RT #35185]

Bug Fixes

   Fix a bug that prevented the dig, nslookup, and host utilities
   from exiting properly after completing a UDP query.  [RT #35288]

   Fix "host" and "nslookup" so don't need dot after the domain by
   checking ndots when searching. Only continue searching on NXDOMAIN
   responses. [RT #34711]

   Handle changes to sig-validity-interval settings better. [RT #34625]

   Fix bug where journal filename string could be set incorrectly,
   causing garbage in log messages. [RT #34738]

   Address race condition with manual notify requests. [RT #34806]

   Fix Linux compilation issue when libcap-devel is installed. [RT #34838]

   Fix "host" failure if a UDP query timed out. [RT #34870]

   Address bugs in dns_rdata_fromstruct and dns_rdata_tostruct for
   WKS and ISDN types. [RT #34910]

   Fix cast in lex.c which could see 0xff treated as EOF. This fixes
   issue with potential bad data in a database used by DLZ or SDB.
   [RT #34993]

   Fix build issue on newer FreeBSD needing -lhx509 for GSSAPI
   build. [RT #35001]

   Address read after free in server side of lwres_getrrsetbyname.
   [RT #29075]

   Fix "nsupdate" memory leak if "realm" was used multiple times.
   [RT #35073]

   Fix "dig" for cleaning up TCP sockets still waiting on connect().
   [RT #35074]

   Fix crashes in RBTDB implementation. Two calls to dns_db_getoriginnode
   were fatal if there was no data at the node. [RT #35080]

   Fix "dig" so it can handle AXFR style IXFR responses which span
   multiple messages. [RT #35137]

   Fix a "host" tool problem with converting UTF-8 textname to IDN
   encoding by handling "." as a search list element when IDN support
   is enabled. [RT #35133]

   Fix "queryperf" to prevent a possible integer overflow when
   printing results. [RT #35182]

   Fix a bug which could cause a crash when running "rndc reconfig"
   or "rndc reload" after configuration is changed from regular
   zones to automatic empty zones. [RT #35177]

Thank You

   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

(c) 2001-2014 Internet Systems Consortium

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