We'll use this as a discussion (non-news) thread for now on the CVE-2017-2491 / CVE-2017-2536 Spread Overflow Exploit WebKit bugs by Phoenhex.
While the earlier PS4 4.70 WebKit Exploit GIT by LordYusei doesn't appear complete so unable to be tested and verified, @GritNGrind let us know in the...