HTTP Request Smuggling
Affecting io.undertow:undertow-core artifact, versions [,2.2.0.Final)Report new vulnerabilities
io.undertow:undertow-core is a Java web server based on non-blocking IO.
Affected versions of this package are vulnerable to HTTP Request Smuggling. HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own.
io.undertow:undertow-core to version 2.2.0.Final or higher.