There are 4 open security issues in stretch.
There are 6 open security issues in buster.
You can find information about how to handle these issues in the security team's documentation.
commit e57c2ac5a5b08c55bab8b3e182e8d7d349cd2890 Author: Dmitry Smirnov <firstname.lastname@example.org> Date: Thu Apr 22 13:18:10 2021 +1000 agent: +Provides: zabbix-sender (Closes: #987050). Thanks, Thomas Goirand.