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-rw-r--r--lib/webrick/httprequest.rb3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/webrick/httprequest.rb b/lib/webrick/httprequest.rb
index 33dafa93b1..80188b8cfc 100644
--- a/lib/webrick/httprequest.rb
+++ b/lib/webrick/httprequest.rb
@@ -253,7 +253,8 @@ module WEBrick
uri = URI::parse(str)
return uri if uri.absolute?
if self["host"]
- host, port = self['host'].split(":", 2)
+ pattern = /\A(#{URI::REGEXP::PATTERN::HOST})(?::(\d+))?\z/n
+ host, port = *self['host'].scan(pattern)[0]
elsif @addr.size > 0
host, port = @addr[2], @addr[1]
else