iOS 16 Bug Causes Mail App to Crash When Receiving This Email: Details

An iOS 16 bug is reportedly inflicting the Mail utility on iPhone and iPad fashions which have been up to date to the newest model of Apple’s working system to crash, rendering it inaccessible. The bug comes within the type of an in any other case routine-looking mail message, that has an uncommon sender discipline that features further characters that causes the Mail utility to crash on iOS 16. The bug has been dubbed “Mailjack” and permits any outsider to lock iPhone and iPad customers out of their e-mail accounts with a modified e-mail.

The crash-triggering e-mail was identified by Equinux’s VPN Tracker. Generally, the “From” discipline has the sender’s title adopted by their e-mail tackle within the syntax — From: sender@instance.com. However, the crash-triggering e-mail had the from discipline syntax as — From: “”@instance.com. Mail companies like Gmail, Outlook, and Hotmail mechanically rewrite such inbound emails with uncommon syntax to forestall such triggers.

While Gmail and Yahoo have filters in place to dam these maliciously crafted emails altogether, Apple’s first-party iCloud Mail doesn’t seem to have any such rewriting or filtering mechanisms in place, as per the report.

The present answer to avoiding the set off is to delete the message from the inbox or spam folder from a tool that’s operating an older iOS model or by way of an exterior e-mail shopper. Users may additionally select to maneuver the set off e-mail to a different subfolder on an IMAP e-mail account. However, navigating to the respective subfolder will trigger the applying to crash once more based on the web site. Admins may additionally select so as to add the syntax “”@instance.com to their checklist of blocked emails by way of e-mail safety software program or firewall.

Equinux’s VPN Tracker has created a devoted webpage the place customers can check the bug set off by coming into their e-mail tackle. However, customers are suggested not to do that because it may lock them out of their emails until they’ve entry to an older iOS or exterior e-mail shopper to delete the triggering message.