A buffer overflow vulnerability was discovered in iOS and iPadOS systems that could allow remote attackers to cause system crashes or corrupt kernel memory. The vulnerability was addressed through improved bounds checking in iOS 26.4 and iPadOS 26.4. Remote users could potentially exploit this flaw to cause unexpected system termination or memory corruption at the kernel level. This represents a significant security risk due to the potential for remote exploitation and kernel-level access. Apple has released patches to address this vulnerability in the latest versions of their mobile operating systems.