Security fix for the ALT Linux 10 package thunderbird version 78.4.0-alt1

Oct. 22, 2020 Andrey Cherepanov 78.4.0-alt1 - New version 78.4.0. - Fixes: + CVE-2020-15969 Use-after-free in usersctp + CVE-2020-15683 Memory safety bugs fixed in Thunderbird 78.4...