Security update for MozillaFirefox (important)

This security update for MozillaFirefox to version 60.1.0esr fixes
multiple issues.

Security issues fixed (MFSA 2018-16, boo#1098998):

• CVE-2018-12359: Buffer overflow using computed size of canvas element
• CVE-2018-12360: Use-after-free when using focus()
• CVE-2018-12361: Integer overflow in SwizzleData
• CVE-2018-12362: Integer overflow in SSSE3 scaler
• CVE-2018-5156: Media recorder segmentation fault when track type is
  changed during capture
• CVE-2018-12363: Use-after-free when appending DOM nodes
• CVE-2018-12364: CSRF attacks through 307 redirects and NPAPI plugins
• CVE-2018-12365: Compromised IPC child process can list local filenames
• CVE-2018-12371: Integer overflow in Skia library during edge builder
  allocation
• CVE-2018-12366: Invalid data handling during QCMS transformations
• CVE-2018-12367: Timing attack mitigation of PerformanceNavigationTiming
• CVE-2018-12369: WebExtension security permission checks bypassed by
  embedded experiments
• CVE-2018-5187: Memory safety bugs fixed in Firefox 60 and Firefox ESR
  60.1
• CVE-2018-5188: Memory safety bugs fixed in Firefox 60, Firefox ESR 60.1,
  and Firefox ESR 52.9

Other issues fixed:

• various stability and regression fixes
• do not disable system installed unsigned language packs (bmo#1464766)