Google mentions the bug as well. If you have installed all the critical Windows Updates, you should be protected against the DSO Exploit. To stop Spybot from mentioning it on every scan you can do the following:
1 Open Spybot and select 'advanced' mode.
2 Select 'settings' in the left column.
3 Select 'ignore product' in the left column.
4 Select 'security' tab.
5 Place check mark in box beside DSO Exploit.
6 Close program
7 Open Spybot and run a scan.
Instructions taken from here.