Apple Products Mail Header Parsing Vulnerability Leading to Persistent Denial-of-Service

A denial-of-service vulnerability has been identified in multiple Apple products, including watchOS 26.1, iOS 18.7.2 and iPadOS 18.7.2, macOS Tahoe 26.1, visionOS 26.1, macOS Sonoma 14.8.2, and macOS Sequoia 15.7.2. This vulnerability arises from a mail header parsing issue, which could allow an attacker to cause a persistent denial-of-service.

Impact

Exploitation of this vulnerability can lead to a persistent denial-of-service condition, causing the affected application or service to become unresponsive or unavailable.