Hello,
For your question's answer, go to Bug tool :
http://www.cisco.com/cgi-bin/Support/Bugtool/home.pl
Search for Bug : CSCsd28570
Then there's a section "First Found-in Version" and just next to it there's a link "All affected versions",
click on that, you'll get list of all IOS versions affected by this Vul. Do a sh ver for your device, and copy that code verison and search in this list, if you find your version here its affected, if you dont its not, you'll get your answer staright forward. Let me know if this helps :)