==========================================================================
Ubuntu Security Notice USN-7032-1
September 24, 2024

tomcat8, tomcat9 vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Tomcat could allow unintended access to network services.

Software Description:
- tomcat9: Servlet and JSP engine
- tomcat8: Servlet and JSP engine

Details:

It was discovered that Tomcat incorrectly handled HTTP trailer headers. A
remote attacker could possibly use this issue to perform HTTP request
smuggling.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.04 LTS
   libtomcat9-java                 9.0.70-2ubuntu0.1

Ubuntu 22.04 LTS
   libtomcat9-embed-java           9.0.58-1ubuntu0.1+esm3
                                   Available with Ubuntu Pro
   libtomcat9-java                 9.0.58-1ubuntu0.1+esm3
                                   Available with Ubuntu Pro

Ubuntu 20.04 LTS
   libtomcat9-embed-java           9.0.31-1ubuntu0.7
   libtomcat9-java                 9.0.31-1ubuntu0.7

Ubuntu 18.04 LTS
   libtomcat8-embed-java           8.5.39-1ubuntu1~18.04.3+esm3
                                   Available with Ubuntu Pro
   libtomcat8-java                 8.5.39-1ubuntu1~18.04.3+esm3
                                   Available with Ubuntu Pro
   libtomcat9-embed-java           9.0.16-3ubuntu0.18.04.2+esm3
                                   Available with Ubuntu Pro
   libtomcat9-java                 9.0.16-3ubuntu0.18.04.2+esm3
                                   Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
   https://ubuntu.com/security/notices/USN-7032-1
   CVE-2023-46589

Package Information:
   
   https://launchpad.net/ubuntu/+source/tomcat9/9.0.31-1ubuntu0.7