output: #fixed code
                                  public static AccessRight decodeJSON(JSONObject node) {
          AccessRight right = new AccessRight();
  
          // The values are stored as longs internally, despite us passing an int
          // right.setProtectionId(((Long) node.get("protection")).intValue());
          right.setType(((Long) node.get("type")).intValue());
          right.setName((String) node.get("name"));
          right.setRights(((Long) node.get("rights")).intValue());
  
          return right;
      }
input: #vulnerable code 
                                  public static AccessRight decodeJSON(JSONObject node) {
          AccessRight right = new AccessRight();
  
          // The values are stored as longs internally, despite us passing an int
          right.setProtectionId(((Long) node.get("protection")).intValue());
          right.setType(((Long) node.get("type")).intValue());
          right.setName((String) node.get("name"));
          right.setRights(((Long) node.get("rights")).intValue());
  
          return right;
      } 
                              #location 5 
                              #vulnerability type NULL_DEREFERENCE