The doFilter function in webapp/PushHandlerFilter.java in JBoss RichFaces 4.3.4, 4.3.5, and 5.x allows remote attackers to cause a denial of service (memory consumption and out-of-memory error) via a large number of malformed atmosphere push requests.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.