There are 45 open security issues in sid.
There are 78 open security issues in bullseye.
You can find information about how to handle these issues in the security team's documentation.
There are 53 open security issues in buster.
There are 48 open security issues in bookworm.
Among the 4 debian patches available in version 2.2.1+dfsg1-3 of the package, we noticed the following issues: