This update for MozillaFirefox fixes the following issues:

Firefox Extended Support Release 78.13.0 ESR (MFSA 2021-34, bsc#1188891):

- CVE-2021-29986: Race condition when resolving DNS names could have led to memory corruption
- CVE-2021-29988: Memory corruption as a result of incorrect style treatment
- CVE-2021-29984: Incorrect instruction reordering during JIT optimization
- CVE-2021-29980: Uninitialized memory in a canvas object could have led to memory corruption
- CVE-2021-29985: Use-after-free media channels
- CVE-2021-29989: Memory safety bugs fixed in Firefox 91 and Firefox ESR 78.13

This update was imported from the SUSE:SLE-15-SP2:Update update project.