BTW, CVE-2021-30977 & CVE-2021-30981 from the 19H1615 release notes look possibly-relevant: > Description: A buffer overflow was addressed with improved bounds checking.
Bug 1738289 Comment 33 Edit History
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BTW, CVE-2021-30977 & CVE-2021-30981 from the 19H1615 [release notes](https://support.apple.com/en-us/HT212981) look possibly-relevant: > Description: A buffer overflow was addressed with improved bounds checking.