Ubuntu Update for firefox-3.0, xulrunner-1.9 vulnerabilities USN-626-1

Ubuntu Update for Linux kernel vulnerabilities USN-626-1
Please Install the Updated Packages.
A flaw was discovered in the browser engine. A variable could be made to overflow causing the browser to crash. If a user were tricked into opening a malicious web page, an attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2008-2785) Billy Rios discovered that Firefox and xulrunner, as used by browsers such as Epiphany, did not properly perform URI splitting with pipe symbols when passed a command-line URI. If Firefox or xulrunner were passed a malicious URL, an attacker may be able to execute local content with chrome privileges. (CVE-2008-2933)
firefox-3.0, xulrunner-1.9 vulnerabilities on Ubuntu 8.04 LTS