Security fix for the ALT Linux 10 package firefox-esr version 68.1.0-alt1

Sept. 4, 2019 Andrey Cherepanov 68.1.0-alt1

- New ESR version (68.1.0).
- Fixed:
  + CVE-2019-11751 Malicious code execution through command line parameters
  + CVE-2019-11746 Use-after-free while manipulating video
  + CVE-2019-11744 XSS by breaking out of title and textarea elements using innerHTML
  + CVE-2019-11742 Same-origin policy violation with SVG filters and canvas to steal cross-origin images
  + CVE-2019-11736 File manipulation and privilege escalation in Mozilla Maintenance Service
  + CVE-2019-11753 Privilege escalation with Mozilla Maintenance Service in custom Firefox installation location
  + CVE-2019-11752 Use-after-free while extracting a key value in IndexedDB
  + CVE-2019-9812 Sandbox escape through Firefox Sync
  + CVE-2019-11743 Cross-origin access to unload event attributes
  + CVE-2019-11748 Persistence of WebRTC permissions in a third party context
  + CVE-2019-11749 Camera information available without prompting using getUserMedia
  + CVE-2019-11750 Type confusion in Spidermonkey
  + CVE-2019-11738 Content security policy bypass through hash-based sources in directives
  + CVE-2019-11747 'Forget about this site' removes sites from pre-loaded HSTS list
  + CVE-2019-11735 Memory safety bugs fixed in Firefox 69 and Firefox ESR 68.1
  + CVE-2019-11740 Memory safety bugs fixed in Firefox 69, Firefox ESR 68.1, and Firefox ESR 60.9
- Build in 8 jobs.