Chimera 165 Patched Jun 2026

If you are running an A7–A11 device on iOS 12.5.5 or earlier, Chimera 1.6.5 remains a viable option—just be aware that it will never support newer iOS releases. If you have already updated to a patched version, your path forward is either to embrace stock iOS or switch to a hardware-based jailbreak like Checkra1n.

Code paths handling external data inputs have been rewritten with rigorous boundary checks, entirely eliminating the buffer overflow vectors discovered in the baseline 165 build.

: UCSF Chimera is free for academic and non-profit use . You should always download it directly from the official UCSF Chimera download page.

Relocates the jailbreakd plist configuration, preventing system crashes if a user switches between Chimera and hardware-based exploits like checkra1n. Sideloading and Deployment Methods

The "Chimera 165 patched" status now applies to the following distributions: chimera 165 patched

Chimera jailbreak updated to v1. 6.5 with support for iOS 12.5. 7. Chimera jailbreak updated to v1. 6.5 with support for iOS 12.5. iDownloadBlog Chimera - The Apple Wiki

A significant supply chain attack was identified involving a malicious package named "chimera-sandbox-extensions" uploaded to the Python Package Index (PyPI).

Chimera originally launched as a groundbreaking tool for iOS 12, distinguishing itself as the first true jailbreak to feature full support for A12 processors, including the iPhone XR, XS, and XS Max. Unlike alternative utilities of its era, Chimera was built from the ground up to utilize a modern Swift-based architecture and bypassed the aging Cydia package manager entirely in favor of Sileo.

enter your Apple ID password into a Chimera installer. The legitimate tool never requires it. If you are running an A7–A11 device on iOS 12

Stopped the "Empathy Loop" from crashing system memory.

Are you using this for or mobile phone servicing ? Knowing the context will help me provide a more specific review. Chimera - The Apple Wiki

Alternatively, in modern software diagnostics, "Chimera" refers to the Chimera Tool mobile utility , which famously had its Samsung Android 16 FRP bypass exploits .

: Although the official 1.6.5 release added support for 12.5.7, some users still encountered issues with the initial builds. Community members produced patched IPA files that incorporated small fixes to improve the success rate, especially on A7/A8 hardware. As noted in jailbreak forums, "Make sure you're using the patched version of Chimera" is common advice when Sileo fails to appear or the jailbreak repeatedly fails. : UCSF Chimera is free for academic and non-profit use

The Chimera was a beast of two natures: part memory corruption, part logic flaw. The patch slayed the technical beast, but the organizational laziness that allows unpatched servers to remain online is a chimera of our own making.

The Chimera 1.6.5 Patched Update: Revitalizing Classic iOS Jailbreaks

on "4K" devices (A7/A8 chips, such as iPhone 5s, 6, and iPad Air 1). Addressed a memory leak that occurred if the jailbreakd daemon was restarted. Userspace Reboot