A memory consumption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, macOS Catalina 10.15. Processing a maliciously crafted string may lead to heap corruption.
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/HT210634 | vendor advisory |
https://support.apple.com/en-us/HT210722 | vendor advisory |