This issue was addressed with improved checks. This issue is fixed in Security Update 2021-005 Catalina, iTunes 12.12 for Windows, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing a maliciously crafted image may lead to arbitrary code execution.
http://seclists.org/fulldisclosure/2021/Oct/63
http://seclists.org/fulldisclosure/2021/Oct/62
http://seclists.org/fulldisclosure/2021/Oct/61
https://support.apple.com/kb/HT212953
https://support.apple.com/kb/HT212804
https://support.apple.com/en-us/HT212819
https://support.apple.com/en-us/HT212817
https://support.apple.com/en-us/HT212815
https://support.apple.com/en-us/HT212814
https://support.apple.com/en-us/HT212805
Source: Mitre, NVD
Published: 2021-10-19
Updated: 2022-02-11
Base Score: 6.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.00402