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=========================================================== Ubuntu Security Notice USN-626-1 July 29, 2008 firefox-3.0, xulrunner-1.9 vulnerabilities CVE-2008-2785, CVE-2008-2933, CVE-2008-2934 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 8.04 LTS This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 8.04 LTS: firefox-3.0 3.0.1+build1+nobinonly-0ubuntu0.8.04.3 xulrunner-1.9 1.9.0.1+build1+nobinonly-0ubuntu0.8.04.3 After a standard system upgrade you need to restart Firefox and any applications that use xulrunner, such as Epiphany, to effect the necessary changes. Details follow: 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)