fixed memory corruption

diff --git a/src/libcharon/plugins/tnccs_20/messages/pb_language_preference_message.c b/src/libcharon/plugins/tnccs_20/messages/pb_language_preference_message.c
index 39a2baeb5782ab6451af927fe50e5b3919f6bb59..8dd4cd2e523e850b889f16d8406172bc85833470 100644 (file)
--- a/src/libcharon/plugins/tnccs_20/messages/pb_language_preference_message.c
+++ b/src/libcharon/plugins/tnccs_20/messages/pb_language_preference_message.c
@@ -160,7 +160,7 @@ pb_tnc_message_t *pb_language_preference_message_create(chunk_t language_prefere
                        .get_language_preference = _get_language_preference,
                },
                .type = PB_MSG_LANGUAGE_PREFERENCE,
-               .language_preference = language_preference,
+               .language_preference = chunk_clone(language_preference),
        );
 
        return &this->public.pb_interface;