It was discovered that ICU did not properly handle invalid byte sequences during Unicode conversion. If an application using ICU processed crafted data, content security mechanisms could be bypassed, potentially leading to cross-site scripting (XSS) attacks.
The problem can be corrected by updating your system to the following package versions:
8 October 2009
A security issue affects these releases of Ubuntu and its derivatives:
It was discovered that ICU did not properly handle invalid byte sequences during Unicode conversion. If an application using ICU processed crafted data, content security mechanisms could be bypassed, potentially leading to cross-site scripting (XSS) attacks.
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.
After a standard system upgrade you need to restart applications linked against libicu, such as OpenOffice.org, to effect the necessary changes.
Vulmon