Several vulnerabilities were discovered in the Tomcat Servlet and JSP engine: CVE-2010-3718 It was discovered that the SecurityManager insufficiently restricted the working directory. CVE-2011-0013 It was discovered that the HTML manager interface is affected by cross-site scripting. CVE-2011-0534 It was discovered that NIO connector performs insufficient validation of the HTTP headers, which could lead to denial of service. The oldstable distribution is not affected by these issues.