Given that jailbreaks exist and can be exploited by malicious actors, deploying them as the user and applying the jailbreak community supplied fix may be the best approach:

> For those with jailbroken iPhones, a community member has released the tweak BrickFix: https://www.reddit.com/r/jailbreak/comments/c9616j/release_b...

(source: https://news.ycombinator.com/item?id=20379779)