A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 15.3 and iPadOS 15.3, watchOS 8.4, tvOS 15.3, Security Update 2022-001 Catalina, macOS Monterey 12.2, macOS Big Sur 11.6.3. A malicious application may be able to execute arbitrary code with kernel privileges.
https://support.apple.com/en-us/HT213059
https://support.apple.com/en-us/HT213056
https://support.apple.com/en-us/HT213057
https://support.apple.com/en-us/HT213054
Source: MITRE
Published: 2022-03-18
Updated: 2022-03-26
Type: CWE-120
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