Description of the patch:
This update for MozillaFirefox fixes the following issues:
- Firefox Extended Support Release 78.6.0 ESR
- Fixed: Various stability, functionality, and security fixes
MFSA 2020-55 (bsc#1180039)
- CVE-2020-16042 (bmo#1679003)
Operations on a BigInt could have caused uninitialized memory
to be exposed
- CVE-2020-26971 (bmo#1663466)
Heap buffer overflow in WebGL
- CVE-2020-26973 (bmo#1680084)
CSS Sanitizer performed incorrect sanitization
- CVE-2020-26974 (bmo#1681022)
Incorrect cast of StyleGenericFlexBasis resulted in a heap
use-after-free
- CVE-2020-26978 (bmo#1677047)
Internal network hosts could have been probed by a malicious
webpage
- CVE-2020-35111 (bmo#1657916)
The proxy.onRequest API did not catch view-source URLs
- CVE-2020-35112 (bmo#1661365)
Opening an extension-less download may have inadvertently
launched an executable instead
- CVE-2020-35113 (bmo#1664831, bmo#1673589)
Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6