CVE-2022-42856
HIGHCISA KEVEPSS 94th pctlDescription
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..
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploit Intelligence
High risk: more likely to be exploited than 94% of all known CVEs.
Apple iOS Type Confusion Vulnerability
Apple iOS contains a type confusion vulnerability when processing maliciously crafted web content leading to code execution.
Apply updates per vendor instructions.
Remediation due: 2023-01-04
References
- http://seclists.org/fulldisclosure/2022/Dec/21
- http://seclists.org/fulldisclosure/2022/Dec/22
- http://seclists.org/fulldisclosure/2022/Dec/23
- http://seclists.org/fulldisclosure/2022/Dec/26
- http://seclists.org/fulldisclosure/2022/Dec/28
- http://www.openwall.com/lists/oss-security/2022/12/26/1
- https://security.gentoo.org/glsa/202305-32
- https://support.apple.com/en-us/HT213516
- https://support.apple.com/en-us/HT213531
- https://support.apple.com/en-us/HT213532
- https://support.apple.com/en-us/HT213535
- https://support.apple.com/en-us/HT213537
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-42856
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-23.