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Test your applicationsUpgrade iodine
to version 0.7.39 or higher.
iodine is a fast HTTP / Websocket Server with built-in Pub/Sub support (with or without Redis), static file support and many other features, optimized for Ruby MRI on Linux / BSD / macOS.
Affected versions of this package are vulnerable to HTTP Request Smuggling. HTTP pipelining issues and request smuggling attacks might be possible due to incorrect Content-Length and Transfer encoding header parsing.
It could be possible to conduct HTTP request smuggling attacks where iodine
is used as part of a chain of backend servers due to insufficient Content-Length
and Transfer Encoding
parsing.