diff --git a/wpa_supplicant/config.c b/wpa_supplicant/config.c
index 69152efde..d9a1603f6 100644
--- a/wpa_supplicant/config.c
+++ b/wpa_supplicant/config.c
@@ -3764,6 +3764,12 @@ static int wpa_global_config_parse_str(const struct global_parse_data *data,
 		return -1;
 	}
 
+	if (has_newline(pos)) {
+		wpa_printf(MSG_ERROR, "Line %d: invalid %s value with newline",
+			   line, data->name);
+		return -1;
+	}
+
 	tmp = os_strdup(pos);
 	if (tmp == NULL)
 		return -1;