Security update for MozillaFirefox (important)

This update for MozillaFirefox to ESR 45.8 fixes the following issues:

Security issues fixed (bsc#1028391):

• CVE-2017-5402: Use-after-free working with events in FontFace objects
• CVE-2017-5410: Memory corruption during JavaScript garbage collection
  incremental sweeping
• CVE-2017-5400: asm.js JIT-spray bypass of ASLR and DEP
• CVE-2017-5401: Memory Corruption when handling ErrorResult
• CVE-2017-5407: Pixel and history stealing via floating-point timing side
  channel with SVG filters
• CVE-2017-5404: Use-after-free working with ranges in selections
• CVE-2017-5405: FTP response codes can cause use of uninitialized values
  for ports
• CVE-2017-5408: Cross-origin reading of video captions in violation of
  CORS
• CVE-2017-5409: File deletion via callback parameter in Mozilla Windows
  Updater and Maintenance Service
• CVE-2017-5398: Memory safety bugs fixed in Firefox 52 and Firefox ESR
  45.8

Bugfixes:

• fix crashes on Itanium (bsc#1027527)