The issue was addressed with improved memory handling. This issue is fixed in iOS 16.2 and iPadOS 16.2. An app may be able to break out of its sandbox.
https://support.apple.com/en-us/HT213530
http://seclists.org/fulldisclosure/2022/Dec/20
Source: Mitre, NVD
Published: 2022-12-15
Updated: 2023-01-09
Base Score: 7.2
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 8.6
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H