CVE-2022-42856

8.8 HIGH CISA KEV - Actively Exploited
Published: December 15, 2022 Modified: October 23, 2025

Description

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..

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://seclists.org/fulldisclosure/2022/Dec/21
Source: product-security@apple.com
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/Dec/22
Source: product-security@apple.com
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/Dec/23
Source: product-security@apple.com
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/Dec/26
Source: product-security@apple.com
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/Dec/28
Source: product-security@apple.com
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/12/26/1
Source: product-security@apple.com
Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202305-32
Source: product-security@apple.com
Third Party Advisory
https://support.apple.com/en-us/HT213516
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/HT213531
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/HT213532
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/HT213535
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/HT213537
Source: product-security@apple.com
Release Notes Vendor Advisory
http://seclists.org/fulldisclosure/2022/Dec/21
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/Dec/22
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/Dec/23
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/Dec/26
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/Dec/28
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/12/26/1
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202305-32
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://support.apple.com/en-us/HT213516
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Vendor Advisory
https://support.apple.com/en-us/HT213531
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Vendor Advisory
https://support.apple.com/en-us/HT213532
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Vendor Advisory
https://support.apple.com/en-us/HT213535
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Vendor Advisory
https://support.apple.com/en-us/HT213537
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-42856
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

25 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
0.3%
49th percentile
Exploitation Status
Actively Exploited
Remediation due: 2023-01-04

Weaknesses (CWE)

Affected Vendors

apple