diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b343cfd..35ce599 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -160,19 +160,19 @@ jobs:
             os: ubuntu-24.04
             container: ubuntu:24.04
             build-type: 'Release'
-            cxxstd: 17
+            cxxstd: 20
             cxxflags: ''
             ldflags: ''
           
-          - toolset: g++-14
+          - toolset: g++-14 -fsanitize=address,undefined
             compiler: g++-14
             install: g++-14
             os: ubuntu-24.04
             container: ubuntu:24.04
-            build-type: 'Release'
+            build-type: 'Debug'
             cxxstd: 20
-            cxxflags: ''
-            ldflags: ''
+            cxxflags: '-fsanitize=address,undefined -fno-sanitize-recover=all'
+            ldflags: '-fsanitize=address,undefined'
 
           - toolset: clang++-12
             compiler: clang++-12
@@ -210,10 +210,40 @@ jobs:
             os: ubuntu-latest
             container: ubuntu:22.04
             build-type: 'Release'
+            cxxstd: 17
+            cxxflags: ''
+            ldflags: ''
+
+          - toolset: clang++-16
+            compiler: clang++-16
+            install: clang++-16
+            os: ubuntu-24.04
+            container: ubuntu:24.04
+            build-type: 'Release'
+            cxxstd: 17
+            cxxflags: ''
+            ldflags: ''
+
+          - toolset: clang++-17
+            compiler: clang++-17
+            install: clang++-17
+            os: ubuntu-24.04
+            container: ubuntu:24.04
+            build-type: 'Release'
             cxxstd: 20
             cxxflags: ''
             ldflags: ''
 
+          - toolset: clang++-18 -fsanitize=address,undefined
+            compiler: clang++-18
+            install: clang++-18
+            os: ubuntu-24.04
+            container: ubuntu:24.04
+            build-type: 'Debug'
+            cxxstd: 20
+            cxxflags: '-fsanitize=address,undefined -fno-sanitize-recover=all'
+            ldflags: '-fsanitize=address,undefined'
+
     runs-on: ${{ matrix.os }}
     container: ${{ matrix.container }}
     env:
diff --git a/README.md b/README.md
index 341a4b8..9c42321 100644
--- a/README.md
+++ b/README.md
@@ -128,7 +128,7 @@ Async.MQTT5 is a header-only library. To use Async.MQTT5 it requires the followi
 - **OpenSSL**. Only if you require an SSL connection by using [boost::asio::ssl::stream](https://www.boost.org/doc/libs/1_82_0/doc/html/boost_asio/reference/ssl__stream.html).
 
 Async.MQTT5 has been tested with the following compilers: 
-- clang 12.0 - 15.0 (Linux)
+- clang 12.0 - 18.0 (Linux)
 - GCC 9 - 14 (Linux)
 - MSVC 14.37 - Visual Studio 2022 (Windows)
 
diff --git a/doc/qbk/01_intro.qbk b/doc/qbk/01_intro.qbk
index b52c3e3..e4fa29f 100644
--- a/doc/qbk/01_intro.qbk
+++ b/doc/qbk/01_intro.qbk
@@ -127,7 +127,7 @@ To use __Self__ it requires the following:
 
 __Self__ has been tested with the following compilers:
 
-* clang 12.0 - 15.0 (Linux)
+* clang 12.0 - 18.0 (Linux)
 * GCC 9 - 14 (Linux)
 * MSVC 14.37 - Visual Studio 2022 (Windows)
 
diff --git a/test/include/test_common/test_broker.hpp b/test/include/test_common/test_broker.hpp
index a921470..ba64749 100644
--- a/test/include/test_common/test_broker.hpp
+++ b/test/include/test_common/test_broker.hpp
@@ -67,6 +67,8 @@ public:
 
 	size_t consume(const std::vector<uint8_t>& data) {
 		size_t num_bytes = std::min(_buffer_size, data.size());
+		if (num_bytes == 0)
+			return 0;
 		std::memcpy(_buffer_data, data.data(), num_bytes);
 		return num_bytes;
 	}