Name: uglifier

Version: 2.5.3
Advisory: 126747
Criticality: Unknown
URL: mishoo/UglifyJS#751
Title: uglifier incorrectly handles non-boolean comparisons during minification
Solution: upgrade to >= 2.7.2

Gemfile.lock

@@ -162,7 +162,7 @@ GEM
       multi_json
     erubis (2.7.0)
     excon (0.43.0)
-    execjs (2.2.2)
+    execjs (2.6.0)
     factory_girl (4.5.0)
       activesupport (>= 3.0.0)
     factory_girl_rails (4.5.0)
@@ -424,7 +424,7 @@ GEM
     tins (1.3.3)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
-    uglifier (2.5.3)
+    uglifier (2.7.2)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
     unf (0.1.4)
@@ -516,7 +516,7 @@ DEPENDENCIES
   sass-rails (~> 4.0.4)
   selenium-webdriver
   therubyracer (~> 0.12)
-  uglifier (~> 2.5.3)
+  uglifier (~> 2.7.2)
   unicorn
   webrat
   will_paginate (~> 3.0)