New bug exposed in Apple iOS 17 and 18: four characters can cause iPhone to crash

IT Home News on August 22, network security researcher Konstantin discovered that a new character vulnerability can cause iPhones and iPads to crash. After swiping to the App library, entering the four characters "":: in the search box will cause Springboard to reset and the iPhone will return to the lock screen interface. A reset is not a complete restart, and it only takes a few seconds for your iPhone to return to normal.

1. Entering specific character combinations in the Settings app search interface will cause the Settings app to crash.

2. Entering the same characters in Spotlight search has no effect.
3. The problem only occurs on devices running iOS 17, while devices running iOS 18 will experience other abnormalities.
4. The character combination that triggers the crash is related to the first three characters.
5. Similar character vulnerabilities have appeared in the past, spreading through the Messages app and causing iPhone crashes.
6. The problem is relatively minor this time because the relevant characters need to be entered or pasted manually.
7. Apple is expected to fix this issue with an iOS update.

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