6 files changed, 16 insertions, 8 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/cookies.rb b/actionpack/lib/action_dispatch/middleware/cookies.rb
index c0039fa3f5..22b16b628d 100644
--- a/actionpack/lib/action_dispatch/middleware/cookies.rb
+++ b/actionpack/lib/action_dispatch/middleware/cookies.rb
@@ -176,11 +176,11 @@ module ActionDispatch
     module VerifyAndUpgradeLegacySignedMessage
       def initialize(*args)
         super
-        @legacy_verifier = ActiveSupport::MessageVerifier.new(@options[:secret_token])
+        @legacy_verifier = ActiveSupport::MessageVerifier.new(@options[:secret_token], serializer: NullSerializer)
       end
 
       def verify_and_upgrade_legacy_signed_message(name, signed_message)
-        @legacy_verifier.verify(signed_message).tap do |value|
+        deserialize(name, @legacy_verifier.verify(signed_message)).tap do |value|
           self[name] = { value: value }
         end
       rescue ActiveSupport::MessageVerifier::InvalidSignature
diff --git a/actionpack/lib/action_dispatch/middleware/public_exceptions.rb b/actionpack/lib/action_dispatch/middleware/public_exceptions.rb
index cbb2d475b1..6c8944e067 100644
--- a/actionpack/lib/action_dispatch/middleware/public_exceptions.rb
+++ b/actionpack/lib/action_dispatch/middleware/public_exceptions.rb
@@ -32,9 +32,8 @@ module ActionDispatch
     end
 
     def render_html(status)
-      found = false
-      path = "#{public_path}/#{status}.#{I18n.locale}.html" if I18n.locale
-      path = "#{public_path}/#{status}.html" unless path && (found = File.exist?(path))
+      path = "#{public_path}/#{status}.#{I18n.locale}.html"
+      path = "#{public_path}/#{status}.html" unless (found = File.exist?(path))
 
       if found || File.exist?(path)
         render_format(status, 'text/html', File.read(path))
diff --git a/actionpack/lib/action_dispatch/middleware/remote_ip.rb b/actionpack/lib/action_dispatch/middleware/remote_ip.rb
index c1df518b14..cbb066b092 100644
--- a/actionpack/lib/action_dispatch/middleware/remote_ip.rb
+++ b/actionpack/lib/action_dispatch/middleware/remote_ip.rb
@@ -31,7 +31,7 @@ module ActionDispatch
     TRUSTED_PROXIES = %r{
       ^127\.0\.0\.1$                | # localhost IPv4
       ^::1$                         | # localhost IPv6
-      ^fc00:                        | # private IPv6 range fc00
+      ^[fF][cCdD]                   | # private IPv6 range fc00::/7
       ^10\.                         | # private IPv4 range 10.x.x.x
       ^172\.(1[6-9]|2[0-9]|3[0-1])\.| # private IPv4 range 172.16.0.0 .. 172.31.255.255
       ^192\.168\.                     # private IPv4 range 192.168.x.x
diff --git a/actionpack/lib/action_dispatch/middleware/templates/rescues/diagnostics.erb b/actionpack/lib/action_dispatch/middleware/templates/rescues/diagnostics.html.erb
index f154021ae6..f154021ae6 100644
--- a/actionpack/lib/action_dispatch/middleware/templates/rescues/diagnostics.erb
+++ b/actionpack/lib/action_dispatch/middleware/templates/rescues/diagnostics.html.erb
diff --git a/actionpack/lib/action_dispatch/middleware/templates/rescues/diagnostics.text.erb b/actionpack/lib/action_dispatch/middleware/templates/rescues/diagnostics.text.erb
new file mode 100644
index 0000000000..603de54b8b
--- /dev/null
+++ b/actionpack/lib/action_dispatch/middleware/templates/rescues/diagnostics.text.erb
@@ -0,0 +1,9 @@
+<%= @exception.class.to_s %><%
+  if @request.parameters['controller']
+%> in <%= @request.parameters['controller'].camelize %>Controller<% if @request.parameters['action'] %>#<%= @request.parameters['action'] %><% end %>
+<% end %>
+
+<%= @exception.message %>
+<%= render template: "rescues/_source" %>
+<%= render template: "rescues/_trace" %>
+<%= render template: "rescues/_request_and_response" %>
diff --git a/actionpack/lib/action_dispatch/middleware/templates/routes/_table.html.erb b/actionpack/lib/action_dispatch/middleware/templates/routes/_table.html.erb
index cce0d75af4..6ffa242da4 100644
--- a/actionpack/lib/action_dispatch/middleware/templates/routes/_table.html.erb
+++ b/actionpack/lib/action_dispatch/middleware/templates/routes/_table.html.erb
@@ -148,8 +148,8 @@
     // On key press perform a search for matching paths
     searchElem.onkeyup = function(e){
       var userInput         = searchElem.value,
-          defaultExactMatch = '<tr><th colspan="4">Paths Matching (' + sanitizePath(userInput) +'):</th></tr>',
-          defaultFuzzyMatch = '<tr><th colspan="4">Paths Containing (' + userInput +'):</th></tr>',
+          defaultExactMatch = '<tr><th colspan="4">Paths Matching (' + escape(sanitizePath(userInput)) +'):</th></tr>',
+          defaultFuzzyMatch = '<tr><th colspan="4">Paths Containing (' + escape(userInput) +'):</th></tr>',
           noExactMatch      = '<tr><th colspan="4">No Exact Matches Found</th></tr>',
           noFuzzyMatch      = '<tr><th colspan="4">No Fuzzy Matches Found</th></tr>';