========================================================================== Ubuntu Security Notice USN-2571-1 April 24, 2015 firefox vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 15.04 - 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: Robert Kaiser discovered a use-after-free during plugin initialization in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash or execute arbitrary code with the privileges of the user invoking Firefox. (CVE-2015-2706) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 15.04: firefox 37.0.2+build1-0ubuntu0.15.04.1 Ubuntu 14.10: firefox 37.0.2+build1-0ubuntu0.14.10.1 Ubuntu 14.04 LTS: firefox 37.0.2+build1-0ubuntu0.14.04.1 Ubuntu 12.04 LTS: firefox 37.0.2+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-2571-1 CVE-2015-2706 Package Information: https://launchpad.net/ubuntu/+source/firefox/37.0.2+build1-0ubuntu0.15.04.1 https://launchpad.net/ubuntu/+source/firefox/37.0.2+build1-0ubuntu0.14.10.1 https://launchpad.net/ubuntu/+source/firefox/37.0.2+build1-0ubuntu0.14.04.1 https://launchpad.net/ubuntu/+source/firefox/37.0.2+build1-0ubuntu0.12.04.1