## Release Notes for BIND Version 9.11.0-P2

### Introduction

This document summarizes changes since BIND 9.11.0:

BIND 9.11.0-P2 addresses the security issues described in CVE-2016-9131, CVE-2016-9147 and CVE-2016-9444.

BIND 9.11.0-P1 addresses the security issue described in CVE-2016-8864.

### Download

The latest versions of BIND 9 software can always be found at http://www.isc.org/downloads/. There you will find additional information about each release, source code, and pre-compiled versions for Microsoft Windows operating systems.

### Security Fixes

- Named could mishandle authority sections that were missing RRSIGs triggering an assertion failure. This flaw is disclosed in CVE-2016-9444. [RT # 43632]

- Named mishandled some responses where covering RRSIG records are returned without the requested data resulting in a assertion failure. This flaw is disclosed in CVE-2016-9147. [RT #43548]

- Named incorrectly tried to cache TKEY records which could trigger a assertion failure when there was a class mismatch. This flaw is disclosed in CVE-2016-9131. [RT #43522]

- It was possible to trigger assertions when processing a response. This flaw is disclosed in CVE-2016-8864. [RT #43465]

### New Features

- None.

### Feature Changes

- None.

### Porting Changes

- None.

### Bug Fixes

- None.

### End of Life

The end of life for BIND 9.11 is yet to be determined but will not be before BIND 9.13.0 has been released for 6 months. https://www.isc.org/downloads/software-support-policy/

### 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 http://www.isc.org/donate/.