--- activemq-cpp-library-3.8.4-clean/src/main/decaf/internal/net/ssl/openssl/OpenSSLSocket.cpp	2017-10-24 09:21:39.284236953 +0100
+++ activemq-cpp-library-3.8.4-clean/src/main/decaf/internal/net/ssl/openssl/OpenSSLSocket.cpp	2017-10-24 09:24:46.925846965 +0100
@@ -664,11 +664,12 @@ 
                 break;
             }
 
-            const unsigned char* data = extension->value->data;
+            const unsigned char* data = ASN1_STRING_data(X509_EXTENSION_get_data(extension));
+            const size_t length = ASN1_STRING_length(X509_EXTENSION_get_data(extension));
             STACK_OF(CONF_VALUE)* confValue = method->i2v(method,
                     method->it ?
-                            ASN1_item_d2i(NULL, &data, extension->value->length, ASN1_ITEM_ptr(method->it)) :
-                            method->d2i(NULL, &data, extension->value->length), NULL);
+                            ASN1_item_d2i(NULL, &data, length, ASN1_ITEM_ptr(method->it)) :
+                            method->d2i(NULL, &data, length), NULL);
 
             CONF_VALUE* value = NULL;