Firefox pushed out a minor browser update, bumping its version number from 25.0 to 25.1.1. The update was only 236KB, so there wasnt a lot to it, and everything seemed to work. But Mozillas release boilerplate just assumed that there probably would be security fixes, and warned you anyway. In a recent Chet Chat podcast, fellow Naked Security writer Chester Wisniewski asked that very same question, albeit in a slightly different way.”]
Source: https://nakedsecurity.sophos.com/2013/11/16/firefox-25-0-1-the-security-update-that-wasnt/