It was discovered that Tomcat incorrectly handled invalid Transfer-Encoding headers. A remote attacker could send specially crafted requests containing invalid headers to the server and cause a denial of service, or possibly obtain sensitive information from other requests.
The problem can be corrected by updating your system to the following package versions:
25 August 2010
A security issue affects these releases of Ubuntu and its derivatives:
It was discovered that Tomcat incorrectly handled invalid Transfer-Encoding headers. A remote attacker could send specially crafted requests containing invalid headers to the server and cause a denial of service, or possibly obtain sensitive information from other requests.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon