Security update for MozillaFirefox (important)

MozillaFirefox was updated to 45.3.0 ESR to fix the following issues
(bsc#991809):

• MFSA 2016-62/CVE-2016-2835/CVE-2016-2836 Miscellaneous memory safety
  hazards (rv:48.0 / rv:45.3)
• MFSA 2016-63/CVE-2016-2830 Favicon network connection can persist when
  page is closed
• MFSA 2016-64/CVE-2016-2838 Buffer overflow rendering SVG with
  bidirectional content
• MFSA 2016-65/CVE-2016-2839 Cairo rendering crash due to memory
  allocation issue with FFmpeg 0.10
• MFSA 2016-67/CVE-2016-5252 Stack underflow during 2D graphics rendering
• MFSA 2016-70/CVE-2016-5254 Use-after-free when using alt key and
  toplevel menus
• MFSA 2016-72/CVE-2016-5258 Use-after-free in DTLS during WebRTC session
  shutdown
• MFSA 2016-73/CVE-2016-5259 Use-after-free in service workers with nested
  sync events
• MFSA 2016-76/CVE-2016-5262 Scripts on marquee tag can execute in
  sandboxed iframes
• MFSA 2016-77/CVE-2016-2837 Buffer overflow in ClearKey Content
  Decryption Module (CDM) during video playback
• MFSA 2016-78/CVE-2016-5263 Type confusion in display transformation
• MFSA 2016-79/CVE-2016-5264 Use-after-free when applying SVG effects
• MFSA 2016-80/CVE-2016-5265 Same-origin policy violation using local HTML
  file and saved shortcut file
• CVE-2016-6354: Fix for possible buffer overrun (bsc#990856)

Also a temporary workaround was added:

• Temporarily bind Firefox to the first CPU as a hotfix for an apparent
  race condition (bsc#989196, bsc#990628)