diff --git a/ChangeLog.d/fix-legacy-compression-issue.txt b/ChangeLog.d/fix-legacy-compression-issue.txt
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+++ b/ChangeLog.d/fix-legacy-compression-issue.txt
@@ -0,0 +1,7 @@
+Bugfix
+   * Fix an issue where ssl_tls13_parse_client_hello() assumed legacy_compression_methods
+     length would always be zero, which is true for TLS 1.3. However, with TLS 1.3 enabled
+     by default, all ClientHello requests (including TLS 1.2 requests) are initially
+     processed by ssl_tls13_parse_client_hello() before being passed to the TLS 1.2
+     parsing function. This caused an issue where legacy_compression_methods
+     might not be zero for TLS 1.2 requests, as it is processed earlier.