CVE-2022-42856

A type confusion issue was addressed with improved state handling. This issue is fixed in Safari 16.2, tvOS 16.2, macOS Ventura 13.1, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.1.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.1..

• CWE-843
• CWE-843

• http://seclists.org/fulldisclosure/2022/Dec/21Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2022/Dec/22Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2022/Dec/23Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2022/Dec/26Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2022/Dec/28Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/12/26/1Mailing List, Third Party Advisory
• https://security.gentoo.org/glsa/202305-32Third Party Advisory
• https://support.apple.com/en-us/HT213516Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213531Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213532Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213535Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213537Release Notes, Vendor Advisory
• http://seclists.org/fulldisclosure/2022/Dec/21Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2022/Dec/22Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2022/Dec/23Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2022/Dec/26Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2022/Dec/28Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/12/26/1Mailing List, Third Party Advisory
• https://security.gentoo.org/glsa/202305-32Third Party Advisory
• https://support.apple.com/en-us/HT213516Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213531Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213532Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213535Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213537Release Notes, Vendor Advisory
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-42856US Government Resource

Published

Dec 15, 2022

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.

• CVE-2022-42850The issue was addressed with improved memory handling. This …7.8
• CVE-2022-42851The issue was addressed with improved memory handling. This …5.5
• CVE-2022-42852The issue was addressed with improved memory handling. This …6.5
• CVE-2022-42853An access issue was addressed with improved access restricti…5.5
• CVE-2022-42854The issue was addressed with improved memory handling. This …5.5
• CVE-2022-42855A logic issue was addressed with improved state management. …7.1
• CVE-2022-42857Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
• CVE-2022-42858A memory corruption issue was addressed with improved input …7.8
• CVE-2022-42859Multiple issues were addressed by removing the vulnerable co…5.5
• CVE-2022-4286 A reflected cross-site scripting (XSS) vulnerability exists…6.1
• CVE-2022-42860This issue was addressed with improved checks to prevent una…5.5
• CVE-2022-42861This issue was addressed with improved checks. This issue is…8.8