CVE-2023-39434

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. Processing web content may lead to arbitrary code execution.

• CWE-416
• CWE-416

• http://seclists.org/fulldisclosure/2023/Oct/3Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2023/Oct/8Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2023/Oct/9Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2023/09/28/3Mailing List, Third Party Advisory
• https://security.gentoo.org/glsa/202401-33
• https://support.apple.com/en-us/HT213937Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213938Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213940Release Notes, Vendor Advisory
• http://seclists.org/fulldisclosure/2023/Oct/3Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2023/Oct/8Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2023/Oct/9Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2023/09/28/3Mailing List, Third Party Advisory
• https://security.gentoo.org/glsa/202401-33
• https://support.apple.com/en-us/HT213937Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213938Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213940Release Notes, Vendor Advisory
• https://webkitgtk.org/security/WSA-2023-0009.html

Published

Sep 27, 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.
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