"Stagefright has been called the biggest Android security concern ever. It occurs when malicious code is unknowingly triggered by media in multi-media messages (MMS). Stagefright could affect a billion devices, most particularly those running Android Jelly Bean or earlier. This number, if you've taken a recent look at the percentages of different Android versions currently in use, is staggering." - Androidpit.com
You can download the FREE app at the Google Play Store to verify if your mobile phone is vulnerable or not.
The aim of this article is to sensitize everyone to update their Android devices. Please do inform your friends and everyone around you.
Please take note that there are some companies which have not yet released those patch. In that case, I encourage everyone to voice out their opinions with the help of Twitter.
Note: Some Android cannot be patched as the vendor is not sending any updates. In that case, you can disable "MMS on reception". But that does not keep you 100% safe!Click here - This may interest Security Experts and Software Engineers.