This update for vsftpd fixes the following issues: - CVE-2021-3618: Enforced security checks against ALPACA attack . - Added hardening to systemd services . Bugfixes: - Fixed a seccomp failure in FIPS mode when SSL was enabled . - Allowed wait4 to be called so that the broker can wait for its child processes . - Fixed hang when using seccomp and syslog . - Allowed sendto syscall when /dev/log support is enabled .