CVE-2026-43656

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Parsing a maliciously crafted file may lead to an unexpected app termination.

• CWE-787

• https://support.apple.com/en-us/127110Release Notes, Vendor Advisory
• https://support.apple.com/en-us/127111Release Notes, Vendor Advisory
• https://support.apple.com/en-us/127115Release Notes, Vendor Advisory
• https://support.apple.com/en-us/127116Release Notes, Vendor Advisory
• https://support.apple.com/en-us/127117Release Notes, Vendor Advisory

Published

May 11, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• 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.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

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