An integer overflow was addressed with improved input validation. This issue is fixed in Security Update 2022-004 Catalina, macOS Monterey 12.4. An attacker may be able to cause unexpected application termination or arbitrary code execution.
https://support.apple.com/en-us/102770
https://support.apple.com/kb/HT213258
https://support.apple.com/kb/HT213254
https://support.apple.com/kb/HT213253