============================================================================ Ubuntu Security Notice USN-2538-1 March 22, 2015 firefox vulnerabilities ============================================================================ A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 14.10 - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS Summary: Firefox could be made to crash or run programs as your login if it opened a malicious website. Software Description: - firefox: Mozilla Open Source web browser Details: A flaw was discovered in the implementation of typed array bounds checking in the Javascript just-in-time compilation. If a user were tricked in to opening a specially crafted website, an attacked could exploit this to execute arbitrary code with the privileges of the user invoking Firefox. (CVE-2015-0817) Mariusz Mlynski discovered a flaw in the processing of SVG format content navigation. If a user were tricked in to opening a specially crafted website, an attacker could exploit this to run arbitrary script in a privileged context. (CVE-2015-0818) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 14.10: firefox 36.0.4+build1-0ubuntu0.14.10.1 Ubuntu 14.04 LTS: firefox 36.0.4+build1-0ubuntu0.14.04.1 Ubuntu 12.04 LTS: firefox 36.0.4+build1-0ubuntu0.12.04.1 After a standard system update you need to restart Firefox to make all the necessary changes. References: http://www.ubuntu.com/usn/usn-2538-1 CVE-2015-0817, CVE-2015-0818 Package Information: https://launchpad.net/ubuntu/+source/firefox/36.0.4+build1-0ubuntu0.14.10.1 https://launchpad.net/ubuntu/+source/firefox/36.0.4+build1-0ubuntu0.14.04.1 https://launchpad.net/ubuntu/+source/firefox/36.0.4+build1-0ubuntu0.12.04.1