Ubuntu Security Notice USN-4546-2

Ubuntu Security Notice 4546-2 - USN-4546-1 fixed vulnerabilities in Firefox. The update introduced various minor regressions. This update fixes the problem. Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, conduct cross-site scripting attacks, spoof the site displayed in the download dialog, or execute arbitrary code. Various other issues were also addressed.