MGASA-2018-0248 Updated firefox packages fix security vulnerabilities

Updated firefox packages fix security vulnerabilities: Mozilla: Memory safety bugs fixed in Firefox ESR 52.8 CVE-2018-5150. Mozilla: Backport critical security fixes in Skia CVE-2018-5183. Mozilla: Use-after-free with SVG animations and clip paths CVE-2018-5154. Mozilla: Use-after-free with SVG...