This update for MozillaFirefox fixes the following issues:
Firefox Extended Support Release 78.12.0 ESR
MFSA 2021-29 (bsc#1188275)
{
    "binaries": [
        {
            "MozillaFirefox-buildsymbols": "78.12.0-8.46.1",
            "MozillaFirefox-devel": "78.12.0-8.46.1",
            "MozillaFirefox": "78.12.0-8.46.1",
            "MozillaFirefox-branding-upstream": "78.12.0-8.46.1",
            "MozillaFirefox-translations-other": "78.12.0-8.46.1",
            "MozillaFirefox-translations-common": "78.12.0-8.46.1"
        }
    ]
}