$ sudo apt-get update
$ sudo apt-get install libdb5.3-stl 

libdb5.3-stl is installed in your system.

Make ensure the libdb5.3-stl package were installed using the commands given below,

$ sudo dpkg-query -l | grep libdb5.3-stl *

You will get with libdb5.3-stl package name, version, architecture and description in a table

libdb5.3-stl package basic information: