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iOS: Remote user can crash your iPhone or iPad
CVE-2026-28858
Summary
A recent update to iOS and iPadOS fixed a security issue that could allow a remote attacker to crash your device or damage its internal memory. This was fixed in iOS 26.4 and iPadOS 26.4, so update your device to the latest version to stay secure.
Original title
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.4 and iPadOS 26.4. A remote user may be able to cause unexpected system termination or corrupt kernel me...
Original description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.4 and iPadOS 26.4. A remote user may be able to cause unexpected system termination or corrupt kernel memory.
Published: 25 Mar 2026 · Updated: 25 Mar 2026 · First seen: 25 Mar 2026