diff --git a/doc/arm/changelog.rst b/doc/arm/changelog.rst
index 9e9c3ec534..16e059b278 100644
--- a/doc/arm/changelog.rst
+++ b/doc/arm/changelog.rst
@@ -18,6 +18,7 @@ Changelog
    development. Regular users should refer to :ref:`Release Notes <relnotes>`
    for changes relevant to them.
 
+.. include:: ../changelog/changelog-9.18.46.rst
 .. include:: ../changelog/changelog-9.18.45.rst
 .. include:: ../changelog/changelog-9.18.44.rst
 .. include:: ../changelog/changelog-9.18.43.rst
diff --git a/doc/changelog/changelog-9.18.46.rst b/doc/changelog/changelog-9.18.46.rst
new file mode 100644
index 0000000000..f212004ab9
--- /dev/null
+++ b/doc/changelog/changelog-9.18.46.rst
@@ -0,0 +1,35 @@
+.. 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.
+
+BIND 9.18.46
+------------
+
+Feature Changes
+~~~~~~~~~~~~~~~
+
+- Invalid NSEC3 can cause OOB read of the isdelegation() stack.
+  ``97fd0c56e48``
+
+  When .next_length is longer than NSEC3_MAX_HASH_LENGTH, it causes a
+  harmless out-of-bound read of the isdelegation() stack.  This has been
+  fixed. :gl:`#5749` :gl:`!11595`
+
+Bug Fixes
+~~~~~~~~~
+
+- Clear serve-stale flags when following the CNAME chains.
+  ``7733cb4580e``
+
+  A stale answer could have been served in case of multiple upstream
+  failures when following the CNAME chains.  This has been fixed.
+  :gl:`#5751` :gl:`!11584`
+
+