As stated in the subject. Example is in a remote Git repository: https://bitbucket.org/wodny/python-dbm-experiments/ It shows how some random data gets into the database (into some gaps between keys and values). There is also a C example which hasn't been caught on leaking.
Experimenting with this, looks like the content leak is inside Berkeley DB code. The leak is always on offset X*4096 bytes away when the database pagesize is 4096 bytes. Looks like this is an important hint, since Python itself knows nothing about database pagesize. For instance: >>> a=open("secrets.db").read() >>> a.find("secret") 21184 >>> a.find("secret",21185) 25280 >>> 25280-21184 4096 >>> a.find("secret",25281) 37568 >>> 37568-25280 12288 >>> 12288/4096.0 3.0
