tomcat7 - security update

It was discovered that malicious web applications could use the
Expression Language to bypass protections of a Security Manager as
expressions were evaluated within a privileged code section.

For the oldstable distribution (wheezy), this problem has been fixed
in version 7.0.28-4+deb7u3. This update also provides fixes for
CVE-2013-4444, CVE-2014-0075, CVE-2014-0099, CVE-2014-0227 and
CVE-2014-0230, which were all fixed for the stable distribution (jessie)
already.

For the stable distribution (jessie), this problem has been fixed in
version 7.0.56-3+deb8u1.

For the testing distribution (stretch), this problem has been fixed
in version 7.0.61-1.

For the unstable distribution (sid), this problem has been fixed in
version 7.0.61-1.

We recommend that you upgrade your tomcat7 packages.