Apple iOS and iPadOS Libnotify Denial-of-Service Vulnerability

A denial-of-service vulnerability has been identified in the Libnotify component of Apple iOS and iPadOS. This issue allows an application to impersonate system notifications, potentially leading to a denial-of-service condition. Sensitive notifications now require restricted entitlements to mitigate this issue. The vulnerability is present in iOS 18.3 and iPadOS 18.3, as well as iPadOS 17.7.3.

Impact

Exploitation of this vulnerability can cause a denial-of-service condition, where the application may disrupt normal system or application processes.

Remediation

Users can update to iOS 18.3, iPadOS 18.3, or iPadOS 17.7.3 to address this vulnerability.