This update for mailman fixes the following issues:
- CVE-2021-44227: Preventing list moderator or list member accessing the admin UI (bsc#1193316). - CVE-2021-43332: Preventing list moderator from cracking the list admin password encrypted in a CSRF token (bsc#1192741). - CVE-2021-43331: Fixed XSS in Cgi/options.py (bsc#1192735). - CVE-2021-42096: Add protection against remote privilege escalation via csrf_token derived from admin password (bsc#1191959).