From 1209e3e19e292cee517e43a2ccfe9b44b33bb1dc Mon Sep 17 00:00:00 2001
From: Jasen Betts <jasen@xnet.co.nz>
Date: Sun, 23 Jul 2023 13:43:59 +0100
Subject: Expansions: disallow UTF-16 surrogates from ${utf8clean:...}.  Bug
 2998

---
 doc/doc-txt/ChangeLog | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'doc/doc-txt/ChangeLog')

diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog
index a3b43b2f5..3d74d58b0 100644
--- a/doc/doc-txt/ChangeLog
+++ b/doc/doc-txt/ChangeLog
@@ -163,6 +163,10 @@ JH/30 Bug 3006: Fix handling of JSON strings having embedded commas. Previously
       need to be protected by the doublequotes.  While there, add handling for
       backslashes.
 
+JH/31 Bug 2998: Fix ${utf8clean:...} to disallow UTF-16 surrogate codepoints.
+      Found and fixed by Jasen Betts. No testcase for this as my usual text
+      editor insists on emitting only valid UTF-8.
+
 Exim version 4.96
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