This vulnerability involves a buffer overflow in Apple iOS and iPadOS that could be triggered remotely, potentially leading to application crashes or heap corruption. Apple fixed the issue by implementing improved bounds checking. The fix is included in iOS 26.6 and iPadOS 26.6 releases, as well as other Apple OS versions. The CVSS 3.1 base score is 9.8, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability.

A remote attacker can exploit this buffer overflow to cause unexpected application termination or heap corruption, which may lead to denial of service or potentially enable further exploitation depending on the application context. The vulnerability affects confidentiality, integrity, and availability at a high level.

A fix is available and included in Apple iOS 26.6 and iPadOS 26.6. Users and administrators should update to these versions or later to remediate the vulnerability. No additional mitigation guidance is provided. Patch status is confirmed by the vendor advisory stating the issue is fixed in these versions.