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PS4 News       Thread starter PSXHAX       Start date Dec 1, 2021 at 4:35 AM       15      
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Proceeding today's PS5 v4.50 Firmware Update, the 9.00 PS4 WebKit Exploit, AMD Server Vulnerabilities & SAMU Updates and previous revision Sony also pushed live a PS4 System Software / Firmware v9.03 Update which they claim further improves the PlayStation 4's system performance. :cautious:

:alert: As always, DON'T UPDATE if you wish to use PS4 Game Backup PKGs via PS4 Torrents and Homebrew Apps whenever a new PS4 Jailbreak Exploit arrives... we'll add any related Tweets as PlayStation 4 Scene developers have a chance to examine it.

⚠️ It's now confirmed this patches the latest PS4 9.00 Jailbreak, see further details here:
Download: PS4 Firmware 9.03 Update (US) / PS4 Firmware 9.03 Update (EU) / PS4 Firmware 9.03 Update (UK) / PS4 Firmware 9.03 Update (AU/NZ) / PS4 Firmware 9.03 Update (JP)

Below is the official 9.03 PS4 Firmware Changelog from Sony's page: PlayStation 4 system software update - PS4 9.03 system software features

Main features in the system software update

  • This system software update improves system performance.
@NanospeedGamer confirmed on Twitter via a demo video from his YouTube Channel that the current FontFaceSet PS4 / PS5 WebKit (Userland) Exploit is still working on both PS4 9.03 OFW and PS5 4.50 OFW alongside stretch30 as well, and here are some PlayStation 4 Scene guides on How to Block PS4 Firmware Updates, How to Delete Downloaded PS4 Update PUPs that haven't been installed yet, How to Update to a Specific PS4 Firmware and PS4HEN Update Blocker Payloads for those interested.
Testing Full Webkit On PS4 9.03 Update And PS5 4.50 Update via stretch30
PS4 System Software Firmware 9.03 is Now Live, Don't Update!.jpg


As the webkit exploit still seems to be functional maybe they have patched a kernel exploit that was submitted to the bug bounty program and has not yet been disclosed.
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