Netty 4.1.43.Final allows HTTP Request Smuggling because it mishandles Transfer-Encoding whitespace (such as a [space]Transfer-Encoding:chunked line) and a later Content-Length header. This issue exists because of an incomplete fix for CVE-2019-16869.. A flaw was found in Netty, where it mishandles Transfer-Encoding whitespace. This flaw allows HTTP Request Smuggling.
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