From 8db06d37d226d7d7057a1549cbbbdd04aa7035c9 Mon Sep 17 00:00:00 2001
From: Christian Mehlmauer <firefart@gmail.com>
Date: Sat, 16 May 2015 08:21:32 +0200
Subject: [PATCH] check if method exist

---
 lib/common/models/vulnerability/output.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/common/models/vulnerability/output.rb b/lib/common/models/vulnerability/output.rb
index ba9bd95c..2340f748 100644
--- a/lib/common/models/vulnerability/output.rb
+++ b/lib/common/models/vulnerability/output.rb
@@ -10,6 +10,7 @@ class Vulnerability
       references.each do |key, urls|
         methodname = "url_#{key}"
         urls.each do |u|
+          next unless respond_to?(methodname)
           url = send(methodname, u)
           puts "    Reference: #{url}" if url
         end