I am working on a desktop application that displays information about what badges a user has earned from AskUbuntu.com, and we would like to display them using the same badge images (though scaled to a larger size) as they have on AskUbuntu. Are the images currently using a CC license, or could they be provided under a CC license, so that they could be used in and distributed with this open source application?
I'm sorry, but using those images in your software would not be appropriate.
Only the user-contributed content is covered under the Create Commons license. The logos and other site elements are copyrighted. Be careful, because some of the elements of this site have also been licensed to us by Canonical and are protected.
Please see our Trademark Guidance for a more thorough discussion about how to use elements of this site.
I used the Gimp to upscale the badge image and then traced a path:
I then tried some of the reverse image search engines:
All of that being said, the bottom of each pages states:
"site design / logo © 2012 stack exchange inc"