A type confusion issue was addressed with improved memory handling. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.
https://support.apple.com/en-us/HT212975
https://support.apple.com/en-us/HT212978
https://support.apple.com/en-us/HT212976
https://support.apple.com/en-us/HT212982
https://support.apple.com/en-us/HT212980
http://www.openwall.com/lists/oss-security/2022/01/21/2
https://www.debian.org/security/2022/dsa-5061
Source: MITRE
Published: 2021-08-24
Updated: 2022-02-25
Type: CWE-843
Base Score: 9.3
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 8.6
Severity: HIGH
Base Score: 7.8
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1.8
Severity: HIGH