There is 1 open security issue in buster.
1 issue left for the package maintainer to handle:
The R programming language’s default package manager CRAN is affected by a path traversal vulnerability that can lead to server compromise. This vulnerability affects packages installed via the R CMD install cli command or the install.packages() function from the interpreter. Update to version 4.0.3
You can find information about how to handle this issue in the security team's documentation.