Few years ago, when your friend ask you which is the best smartphone in the world. Seems it is easy to answer. Perhaps the zero day attack and malware wreak havoc today. So it is hard to answer those question in quick!
We are now familiar with vulnerability terms especially stack-based buffer overflow, privilege escalation and lack of Input Validation. Qualcomm Snapdragon is a suite of system on a chip (SoC) semiconductor products for mobile devices designed and marketed by Qualcomm Technologies Inc. The Snapdragon central processing unit (CPU) uses the ARM RISC instruction set.The Snapdragon 800 series is the top tier of Qualcomm’s processor. However the design weakness found on Snapdragon have plenty. For more details, please find below url for reference.
Remark: We see many people walking on the street daily. However they are insists to look at the smartphone even though cross the road. It is hard to imagine that if their phone has flaw and not able to use for 1 day. What will be happen afterwards?