USN-4032-1: Firefox vulnerability

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...