========================================================================== Ubuntu Security Notice USN-4032-1 June 24, 2019
firefox vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 19.04 - Ubuntu 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: A sandbox escape was discovered in Firefox. Software Description: - firefox: Mozilla Open Source web browser Details: It was discovered that a sandboxed child process could open arbitrary web content in the parent process via the Prompt:Open IPC message. When combined with another vulnerability, an attacker could potentially exploit this to execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04: firefox 67.0.4+build1-0ubuntu0.19.04.1 Ubuntu 18.10: firefox 67.0.4+build1-0ubuntu0.18.10.1 Ubuntu 18.04 LTS: firefox 67.0.4+build1-0ubuntu0.18.04.1 Ubuntu 16.04 LTS: firefox 67.0.4+build1-0ubuntu0.16.04.1 After a standard system update you need to restart Firefox to make all the necessary changes. References: https://usn.ubuntu.com/4032-1 CVE-2019-11708 Package Information: https://launchpad.net/ubuntu/+source/firefox/67.0.4+build1-0ubuntu0.19.04.1 https://launchpad.net/ubuntu/+source/firefox/67.0.4+build1-0ubuntu0.18.10.1 https://launchpad.net/ubuntu/+source/firefox/67.0.4+build1-0ubuntu0.18.04.1 https://launchpad.net/ubuntu/+source/firefox/67.0.4+build1-0ubuntu0.16.04.1
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