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+.. Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+..
+.. SPDX-License-Identifier: MPL-2.0
+..
+.. This Source Code Form is subject to the terms of the Mozilla Public
+.. License, v. 2.0.  If a copy of the MPL was not distributed with this
+.. file, you can obtain one at https://mozilla.org/MPL/2.0/.
+..
+.. See the COPYRIGHT file distributed with this work for additional
+.. information regarding copyright ownership.
+
+Notes for BIND 9.16.42
+----------------------
+
+Security Fixes
+~~~~~~~~~~~~~~
+
+- The overmem cleaning process has been improved, to prevent the cache
+  from significantly exceeding the configured ``max-cache-size`` limit.
+  (CVE-2023-2828)
+
+  ISC would like to thank Shoham Danino from Reichman University, Anat
+  Bremler-Barr from Tel-Aviv University, Yehuda Afek from Tel-Aviv
+  University, and Yuval Shavitt from Tel-Aviv University for bringing
+  this vulnerability to our attention.  :gl:`#4055`
+
+- A query that prioritizes stale data over lookup triggers a fetch to
+  refresh the stale data in cache. If the fetch is aborted for exceeding
+  the recursion quota, it was possible for :iscman:`named` to enter an
+  infinite callback loop and crash due to stack overflow. This has been
+  fixed. (CVE-2023-2911) :gl:`#4089`
+
+Bug Fixes
+~~~~~~~~~
+
+- Previously, it was possible for a delegation from cache to be returned
+  to the client after the ``stale-answer-client-timeout`` duration.
+  This has been fixed. :gl:`#3950`
+
+Known Issues
+~~~~~~~~~~~~
+
+- There are no new known issues with this release. See :ref:`above
+  <relnotes_known_issues>` for a list of all known issues affecting this
+  BIND 9 branch.