* various bugfixes
MFSA 2021-09 (bsc#1182614)
* CVE-2021-23969 (bmo#1542194)
Content Security Policy violation report could have contained
the destination of a redirect
* CVE-2021-23968 (bmo#1687342)
Content Security Policy violation report could have contained
the destination of a redirect
* CVE-2021-23973 (bmo#1690976)
MediaError message property could have leaked information
about cross-origin resources
* CVE-2021-23978 (bmo#786797, bmo#1682928, bmo#1687391,
bmo#1687597)
Memory safety bugs fixed in Firefox 86 and Firefox ESR 78.8
OBS-URL: https://build.opensuse.org/package/show/mozilla:Factory/MozillaThunderbird?expand=0&rev=578
