The usual read on cybersecurity determines how bad an issue is using (something akin to) impact on confidentiality, integrity, and availability.
Being able to freeze a computer from the browser is a plain availability risk. It's not exactly a high-priority risk, but still something that should be considered a risk in my opinion.
With operating systems like macOS+Safari reopening a page after reboot, a malware domain can claim to take your computer hostage by te-freezing the PC every time the user moves away from the page until money is paid. People already fall for "we have hacked your computer pay X bitcoin to get it back", this just adds to that.
According to the comments here, this has been a thing for ages, so I kind of doubt that they'll fix it this time. But fingers crossed!
Being able to freeze a computer from the browser is a plain availability risk. It's not exactly a high-priority risk, but still something that should be considered a risk in my opinion.
With operating systems like macOS+Safari reopening a page after reboot, a malware domain can claim to take your computer hostage by te-freezing the PC every time the user moves away from the page until money is paid. People already fall for "we have hacked your computer pay X bitcoin to get it back", this just adds to that.
According to the comments here, this has been a thing for ages, so I kind of doubt that they'll fix it this time. But fingers crossed!