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PS4 Jailbreaking       Thread starter PSXHAX       Start date Oct 16, 2021 at 12:29 AM       11,766       19      
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But wait, there's more! Yup, yet another PS4 WebKit / PS5 WebKit vulnerability surfaces... developer @Al Azif summarizes it best on Twitter simply stating, "Add it to the every growing list of webkit exploits that work 7.55+ :LOL:"

This time the userland vulnerability is a WebKit: heap-use-after-free in EventHandler::keyEvent as reported by glazunov via Project Zero with NazkyYT supplying the source link alongside a browser test page set up by Zellix67 while crediting on Twitter KameleonRe for the script.
As with the previously tested PS4 Vulnerability and PS5 Vulnerability, in addition to further work being done by an experienced developer a kernel-level exploit (KEX) is also required for jailbreaking... so once again it's :alert: not advisable :alert: to update neither your PS4 nor PS5 consoles.

Looking forward to great progress in both the PS4Scene and PS5Scene, and cheers to ashrafasansol on Twitter for the screenshot below! šŸ»
WebKit Heap-Use-After-Free in EventHandler KeyEvent for PS4 PS5.jpg
 

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lestasmsc

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Always handy to more webkit exploits! Expecially since it may help further stability eventually when combined with kernel exploit.

Has anyone combined these new webkit exploits with older kernel exploits to see if there is better success on already jailbroken firmwares?
 

shadowmia

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I've tried this on ps5. Seems to work but above says its a patched firmware, confused. Anyone know what ps5 firmware this was patched in or if its been patched on ps5 at all. Mine says this webkit works perfectly on your version. Which is 4.00.00.02
 

FateNightroad2

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@ecffg2010 I highly doubt that. Based on what I've noticed back sometime ago on twitter, Cturt doesn't exactly seem like the forgiving kind of person. And I don't blame him due to all the badgering and hate he got there.
 

Pixelxp

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If for ps4 there are at least hints of the presence of a kernel exploit of firmware 8.xx, then there was nothing like that for ps5?
 

Lunatics

Member
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I know it may be too early to say, but would now be the time to update to latest FW and still be compatible with one of these exploits? I'd like to update and download some games and have support for expandable storage if this turns into something. Currently on 21.01-3.21 and not sure what I should do.
 
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