Debian DSA-4891-1: Tomcat9 Security Flaw Causes Denial Of Service

Two vulnerabilities were discovered in the Tomcat servlet and JSP engine,
which could result in information disclosure or denial of service.

For the stable distribution (buster), these problems have been fixed in
version 9.0.31-1~deb10u4.

We recommend that you upgrade your tomcat9 packages.

For the detailed security status of tomcat9 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/tomcat9

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/