mirror of
https://github.com/isc-projects/bind9.git
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5477f97643
The new :cve: Sphinx role takes a CVE number as an argument and creates
a hyperlink to the relevant ISC Knowledgebase document that might have
more up-to-date or verbose information than the relevant release note.
This makes reaching ISC Knowledgebase pages directly from the release
notes easier.
Make all CVE references in the release notes use the new Sphinx role.
(cherry picked from commit 41b857e567)
72 lines
2.6 KiB
ReStructuredText
72 lines
2.6 KiB
ReStructuredText
.. Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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..
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.. SPDX-License-Identifier: MPL-2.0
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..
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.. This Source Code Form is subject to the terms of the Mozilla Public
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.. License, v. 2.0. If a copy of the MPL was not distributed with this
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.. file, you can obtain one at https://mozilla.org/MPL/2.0/.
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..
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.. See the COPYRIGHT file distributed with this work for additional
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.. information regarding copyright ownership.
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Notes for BIND 9.18.16
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----------------------
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Security Fixes
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~~~~~~~~~~~~~~
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- The overmem cleaning process has been improved, to prevent the cache from
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significantly exceeding the configured :any:`max-cache-size` limit.
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:cve:`2023-2828`
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ISC would like to thank Shoham Danino from Reichman University, Anat
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Bremler-Barr from Tel-Aviv University, Yehuda Afek from Tel-Aviv University,
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and Yuval Shavitt from Tel-Aviv University for bringing this vulnerability to
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our attention. :gl:`#4055`
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- A query that prioritizes stale data over lookup triggers a fetch to refresh
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the stale data in cache. If the fetch is aborted for exceeding the recursion
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quota, it was possible for :iscman:`named` to enter an infinite callback
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loop and crash due to stack overflow. This has been fixed. :cve:`2023-2911`
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:gl:`#4089`
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New Features
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~~~~~~~~~~~~
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- The system test suite can now be executed with pytest (along with
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pytest-xdist for parallel execution). :gl:`#3978`
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Removed Features
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~~~~~~~~~~~~~~~~
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- TKEY mode 2 (Diffie-Hellman Exchanged Keying) is now deprecated, and
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will be removed in a future release. A warning will be logged when
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the :any:`tkey-dhkey` option is used in ``named.conf``. :gl:`#3905`
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Bug Fixes
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~~~~~~~~~
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- BIND could get stuck on reconfiguration when a :any:`listen-on`
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statement for HTTP is removed from the configuration. That has been
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fixed. :gl:`#4071`
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- Previously, it was possible for a delegation from cache to be returned
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to the client after the :any:`stale-answer-client-timeout` duration.
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This has been fixed. :gl:`#3950`
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- BIND could allocate too big buffers when sending data via
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stream-based DNS transports, leading to increased memory usage.
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This has been fixed. :gl:`#4038`
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- When the :any:`stale-answer-enable` option was enabled and the
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:any:`stale-answer-client-timeout` option was enabled and larger than
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0, :iscman:`named` previously allocated two slots from the
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:any:`clients-per-query` limit for each client and failed to gradually
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auto-tune its value, as configured. This has been fixed. :gl:`#4074`
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Known Issues
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~~~~~~~~~~~~
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- There are no new known issues with this release. See :ref:`above
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<relnotes_known_issues>` for a list of all known issues affecting this
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BIND 9 branch.
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