========================================================================== Ubuntu Security Notice USN-7410-1 April 07, 2025
tomcat9 vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
Summary:
Tomcat could be made to consume resources if it received specially crafted
network traffic.
Software Description:
- tomcat9: Servlet and JSP engine
Details:
It was discovered that Tomcat incorrectly handled request cancellation. A
remote attacker could possibly use this issue to cause tomcat9 to consume
resources, leading to a denial of service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 22.04 LTS
tomcat9-common 9.0.58-1ubuntu0.2
Ubuntu 20.04 LTS
tomcat9-common 9.0.31-1ubuntu0.9
Ubuntu 18.04 LTS
tomcat9-common 9.0.16-3ubuntu0.18.04.2+esm5
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-7410-1
CVE-2023-44487
Package Information:
https://launchpad.net/ubuntu/+source/tomcat9/9.0.58-1ubuntu0.2
https://launchpad.net/ubuntu/+source/tomcat9/9.0.31-1ubuntu0.9
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