==========================================================================
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/tomcat9/9.0.70-2ubuntu0.1
  https://launchpad.net/ubuntu/+source/tomcat9/9.0.31-1ubuntu0.7