Then you didn't read the article; it's a video handling bug; the article notes a...

dragonwriter on July 27, 2015 | parent | context | favorite | on: Major Flaw in Android Phones Would Let Hackers in ...

Then you didn't read the article; it's a video handling bug; the article notes a difference between Hangouts and other messaging apps in video handling which makss it worse with Hangouts, but the fundamental problem is with video handling, not the messaging app.