A memory corruption issue was addressed with improved memory handling. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A malicious application may be able to execute arbitrary code with kernel privileges.
The product writes data past the end, or before the beginning, of the intended buffer.
Link | Tags |
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https://support.apple.com/en-us/HT212804 | release notes vendor advisory |
https://support.apple.com/en-us/HT212805 | release notes vendor advisory |