Debian: DSA-3428-1: tomcat8 security update
Summary
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 stable distribution (jessie), this problem has been fixed in
version 8.0.14-1+deb8u1.
For the testing distribution (stretch), this problem has been fixed
in version 8.0.21-2.
For the unstable distribution (sid), this problem has been fixed in
version 8.0.21-2.
We recommend that you upgrade your tomcat8 packages.
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org