A flaw was discovered in Undertow in versions before Undertow 2.1.1.Final where certain requests to the "Expect: 100-continue" header may cause an out of memory error. This flaw may potentially lead to a denial of service.

A flaw was found in Netty, where it mishandles Transfer-Encoding whitespace. This flaw allows HTTP Request Smuggling.

A flaw was found in Netty, where whitespace before the colon in HTTP headers is mishandled. This flaw allows an attacker to cause HTTP request smuggling.

An information leak issue was found in undertow where web apps may have their directory structures predicted through requests without trailing slashes via the api.

A vulnerability was found in Infinispan before version 10.0.0 Final. The invokeAccessibly method from the public class ReflectionUtil allows any application class to invoke private methods in any class with Infinispan's privileges.