These bugs can either be critical or minor, they need to be classified and treated.
Some of them are reported on Scilab's bugzilla.
A Jenkins job will help you track your progress: every time Scilab's repository gets modified it is analyzed by Coverity.
Your main tool will be Coverity's web interface (see screenshot)
To get started, you may register on Coverity and ask to be a contributor to the "scilab" project.