diff --git a/src/cpp/rtps/xmlparser/XMLDynamicParser.cpp b/src/cpp/rtps/xmlparser/XMLDynamicParser.cpp
index 15a1488c065..f995fdbd9ce 100644
--- a/src/cpp/rtps/xmlparser/XMLDynamicParser.cpp
+++ b/src/cpp/rtps/xmlparser/XMLDynamicParser.cpp
@@ -606,6 +606,10 @@ XMLP_ret XMLParser::parseXMLBitmaskDynamicType(
     }
 
     const char* name = p_root->Attribute(NAME);
+    if (nullptr == name)
+    {
+        return XMLP_ret::XML_ERROR;
+    }
     p_dynamictypebuilder_t typeBuilder =
             types::DynamicTypeBuilderFactory::get_instance()->create_bitmask_builder(bit_bound);
     typeBuilder->set_name(name);
diff --git a/test/unittest/xmlparser/XMLParserTests.cpp b/test/unittest/xmlparser/XMLParserTests.cpp
index 804a3639876..2fa4e0650e5 100644
--- a/test/unittest/xmlparser/XMLParserTests.cpp
+++ b/test/unittest/xmlparser/XMLParserTests.cpp
@@ -50,6 +50,13 @@ using eprosima::fastrtps::xmlparser::XMLParser;
 using eprosima::fastdds::dds::Log;
 using eprosima::fastdds::dds::LogConsumer;
 
+TEST_F(XMLParserTests, regressions)
+{
+    std::unique_ptr<BaseNode> root;
+
+    EXPECT_EQ(XMLP_ret::XML_ERROR, XMLParser::loadXML("regressions/12736.xml", root));
+}
+
 TEST_F(XMLParserTests, NoFile)
 {
     std::unique_ptr<BaseNode> root;
diff --git a/test/unittest/xmlparser/regressions/12736.xml b/test/unittest/xmlparser/regressions/12736.xml
new file mode 100644
index 00000000000..c0ced7bae81
Binary files /dev/null and b/test/unittest/xmlparser/regressions/12736.xml differ