CVE-2023-40423

The issue was addressed with improved memory handling. This issue is fixed in iOS 17.1 and iPadOS 17.1, macOS Monterey 12.7.1, iOS 16.7.2 and iPadOS 16.7.2, macOS Ventura 13.6.1, macOS Sonoma 14.1. An app may be able to execute arbitrary code with kernel privileges.

• CWE-119

• http://seclists.org/fulldisclosure/2023/Oct/19Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2023/Oct/21Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2023/Oct/23Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2023/Oct/24Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2023/Oct/26Mailing List, Third Party Advisory
• https://support.apple.com/en-us/HT213981Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213982Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213983Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213984Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213985Release Notes, Vendor Advisory
• https://support.apple.com/kb/HT213981Release Notes, Vendor Advisory
• https://support.apple.com/kb/HT213982Release Notes, Vendor Advisory
• https://support.apple.com/kb/HT213983Release Notes, Vendor Advisory
• https://support.apple.com/kb/HT213984Release Notes, Vendor Advisory
• https://support.apple.com/kb/HT213985Release Notes, Vendor Advisory
• http://seclists.org/fulldisclosure/2023/Oct/19Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2023/Oct/21Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2023/Oct/23Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2023/Oct/24Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2023/Oct/26Mailing List, Third Party Advisory
• https://support.apple.com/en-us/HT213981Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213982Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213983Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213984Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213985Release Notes, Vendor Advisory
• https://support.apple.com/kb/HT213981Release Notes, Vendor Advisory
• https://support.apple.com/kb/HT213982Release Notes, Vendor Advisory
• https://support.apple.com/kb/HT213983Release Notes, Vendor Advisory
• https://support.apple.com/kb/HT213984Release Notes, Vendor Advisory
• https://support.apple.com/kb/HT213985Release Notes, Vendor Advisory

Published

Oct 25, 2023

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.
• 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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