CVE-2025-43494

A mail header parsing issue was addressed with improved checks. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, visionOS 26.1, watchOS 26.1. An attacker may be able to cause a persistent denial-of-service.

• CWE-20

• https://support.apple.com/en-us/125632Release Notes, Vendor Advisory
• https://support.apple.com/en-us/125633Release Notes, Vendor Advisory
• https://support.apple.com/en-us/125634Release Notes, Vendor Advisory
• https://support.apple.com/en-us/125635Release Notes, Vendor Advisory
• https://support.apple.com/en-us/125636Release Notes, Vendor Advisory
• https://support.apple.com/en-us/125638Release Notes, Vendor Advisory
• https://support.apple.com/en-us/125639Release Notes, Vendor Advisory

Published

Dec 12, 2025

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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