46 lines
1.6 KiB
ReStructuredText
46 lines
1.6 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 9.16.42
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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
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from significantly exceeding the configured ``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
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University, and Yuval Shavitt from Tel-Aviv University for bringing
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this vulnerability to our attention. :gl:`#4055`
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- A query that prioritizes stale data over lookup triggers a fetch to
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refresh the stale data in cache. If the fetch is aborted for exceeding
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the recursion quota, it was possible for :iscman:`named` to enter an
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infinite callback loop and crash due to stack overflow. This has been
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fixed. (CVE-2023-2911) :gl:`#4089`
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Bug Fixes
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~~~~~~~~~
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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 ``stale-answer-client-timeout`` duration.
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This has been fixed. :gl:`#3950`
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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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