This update for MozillaFirefox fixes the following issues:
Firefox Extended Support Release 78.12.0 ESR
Fixed: Various stability, functionality, and security fixes
MFSA 2021-29 (bsc#1188275)
CVE-2021-29970: Use-after-free in accessibility features of a document * CVE-2021-30547: Out of bounds write in ANGLE * CVE-2021-29976: Memory safety bugs fixed in Firefox 90 and Firefox ESR 78.12
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