diff --git a/CHANGES b/CHANGES
index d11d949e37..c8b87d68c3 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,8 @@
+4.1.0-dev.666 | 2021-05-26 10:51:51 -0700
+
+  * Ensure SessionAdapter members are initialized (Tim Wojtulewicz, Corelight)
+
+    Fixes Coverity #1453273
 
 4.1.0-dev.665 | 2021-05-26 08:07:26 +0200
 
diff --git a/VERSION b/VERSION
index 8df2fee47b..b7a018b454 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.1.0-dev.665
+4.1.0-dev.666
diff --git a/src/packet_analysis/protocol/ip/SessionAdapter.h b/src/packet_analysis/protocol/ip/SessionAdapter.h
index 71c9a58016..6836d04b75 100644
--- a/src/packet_analysis/protocol/ip/SessionAdapter.h
+++ b/src/packet_analysis/protocol/ip/SessionAdapter.h
@@ -95,8 +95,8 @@ public:
 
 protected:
 
-	IPBasedAnalyzer* parent;
-	analyzer::pia::PIA* pia;
+	IPBasedAnalyzer* parent = nullptr;
+	analyzer::pia::PIA* pia = nullptr;
 };
 
 } // namespace zeek::packet_analysis::IP