Apple releases iOS & iPadOS 13.5.1

Apple has released iOS 13.5.1 and iPadOS 13.5.1 to the public twelve days post to the release of iOS 13.5 and iPadOS 13.5 which included new features like COVID-19 Exposure Notifications and Mask Detection on Face ID. iOS 13.5 & iPadOS 13.5 also fixed issues with the Mail App and VPN. Read more about iOS 13.5 & iPadOS 13.5 here.

The Build number for this update is 17F80 and the update size is around 70 MB. This update includes important security updates which implies that the 0day vulnerability may have been fixed on this update. This vulnerability was used by the Unc0ver Jailbreak tool and users might not be able to JailBreak iOS 13.5.1. Apple is still signing iOS 13.5 & iPadOS 13.5 (Build Number: 17F75), but they may soon stop signing them.

According to Apple’s release notes,

“iOS 13.5.1 provides important security updates and is recommended for all users.”

Some features may not be available for all regions or on all Apple devices. For information on the security content of Apple software updates, please visit this website:

According to Apple’s Security page,

“Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch 7th generation

Impact: An application may be able to execute arbitrary code with kernel privileges

Description: A memory consumption issue was addressed with improved memory handling.

CVE-2020-9859: unc0ver”

There’s a mention of the word “unc0ver” which means that the vulnerability has been patched. This means that iOS 13.5.1 & iPadOS 13.5.1 cannot be jailbroken.

Go to Settings>General>Software Update to update to the latest public version of iOS & iPadOS. Happy Updating!

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Pururaj Dutta
Author: Pururaj Dutta

Vice President of Redfruit Media

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