|Initial release||31 Oct 2022|
Fugu15 is a semi-untethered jailbreak for iOS 15 (up to 15.4.1 or 15.5 beta 2). Like Fugu14, it only supports arm64e devices out of the box. It does not support tweak injection due to the fact that, at the time of the initial release, there was not a proper tweak injection system for iOS 15 that supported a rootless bootstrap. Fugu15 is an incomplete developer jailbreak and, in its current form, does not provide much to a normal user.
It utilizes 4 different exploits in order to perform the jailbreak, as jailbreaking on iOS 15.2+ now requires a PAC/PPL bypass, or both. The oobPCI exploit (CVE-2022-26763) is the kernel exploit used to gain kernel read/write. The fastPath vulnerability (CVE-2022-26766) is used to bypass codesigning and obtain arbitrary entitlements. The badRecovery exploit (CVE-2022-26765) is the exploit used to bypass Pointer Authentication Codes (PAC). Finally, the tlbFail exploit (CVE-2022-26764) is used to bypass Page Protection Layer (PPL).
Currently, opa334's fork, Dopamine, is the only known project to build a working jailbreak off of Fugu15.