CVE-2011-0534
Apache Tomcat 7.0.0 through 7.0.6 and 6.0.0 through 6.0.30 does not enforce the maxHttpHeaderSize limit for requests involving the NIO HTTP connector, which allows remote attackers to cause a denial of service (OutOfMemoryError) via a crafted request.
Date published : 2011-02-10
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html