# Apple Releases iOS 12.4.1 With Jailbreak Vulnerability Fix

**URL:** <https://onehack.st/t/apple-releases-ios-12-4-1-with-jailbreak-vulnerability-fix/54788>\
**Category:** News & Articles\
**Tags:** operating-system\
**Created:** [August 27, 2019, 10:54am UTC](https://onehack.st/t/apple-releases-ios-12-4-1-with-jailbreak-vulnerability-fix/54788 "2019-08-27T10:54:52Z")\
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**Author:** ![TheJoker](https://onehack.st/user_avatar/onehack.st/thejoker/32/22660_2.png) [@TheJoker](https://onehack.st/u/TheJoker)\
**Post date:** [August 27, 2019, 10:54am UTC](https://onehack.st/t/apple-releases-ios-12-4-1-with-jailbreak-vulnerability-fix/54788/1 "2019-08-27T10:54:52Z")

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Apple today released iOS 12.4.1, a minor update that comes one month after the launch of iOS 12.4.

> The iOS 12.4.1 update is available on all eligible devices over-the-air in the Settings app. To access the update, go to Settings \> General \> Software Update. As with all iOS updates, iOS 12.4.1 is free to download.

![](https://cdn.macrumors.com/article-new/2018/01/ios12banner.jpg)  
Today’s update includes a fix for a vulnerability that allowed hackers to create a jailbreak for the iOS 12.4 update, according to Apple’s [security support document](https://support.apple.com/en-us/HT210549). Apple actually addressed the vulnerability in iOS 12.3, but then accidentally unpatched it in the iOS 12.4 update.

> - Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
> 
> - Impact: A malicious application may be able to execute arbitrary code with system privileges
> 
> **Description** : A use after free issue was addressed with improved memory management.
> 
> CVE-2019-8605: Ned Williamson working with Google Project Zero  
> After hackers discovered that the vulnerability was once again available, it didn’t take long for a jailbreak to be created. The security issue also left iOS devices vulnerable to hacking attempts, which is why Apple likely worked quickly to correct it.

_ **According to Apple’s release notes, the update includes “important security and stability updates” and is recommended for all users.** _

`Source: macrumors`
