hacked mozilla firefox browser

Summarizing the Pwn2Own 2019: Safari, VirtualBox was 'pierced' on the first day, Firefox, Edge on the second day and Tesla Model 3 'closed the window'
pwn2own is a computer hacking competition held annually during the cansecwest security conference, starting in 2007, challenged candidates to exploit widely used mobile software and devices with holes unknown vulnerabilities before.
Mozilla Firefox and Microsoft Edge browsers were lost at the Pwn2Own 2019 hack contest
at the 2019 pwn2own hack contest in vancouver, canada, security experts successfully hacked both firefox and microsoft edge browsers.