Versions of Tomcat 7.0.x earlier than 7.0.2 are potentially affected by a denial of service vulnerability because several flaws in the handling of the 'Transfer-Encoding header could prevent the recycling of a buffer.
Binary data 800611.prm
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-2227
tomcat.apache.org/security-7.html