Patched in iOS 10.3.3 the libxpc vulnerability allows an application to execute arbitrary code with system privileges. Apple says the memory corruption issue was addressed with improved memory handling.
In a tweet minutes ago, Levin said the security flaw can be adapted into a dev jailbreak and recommends users downgrade to iOS 10.3.2 while they can.
If you're at #iOS 10.3.3, downgrade to 10.3.2 while you can:Ian Beer's awesome CVE-2017-7047 bit unstable,can be adapted to a dev #jailbreak
No word on whether Levin plans to release this jailbreak but if you're eagerly awaiting a jailbreak, you may want to take his advice. CVE-2017-7047 affects the iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation.
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