A validation issue was addressed with improved input sanitization. This issue is fixed in macOS Catalina 10.15.5. A file may be incorrectly rendered to execute JavaScript.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Link | Tags |
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https://support.apple.com/HT211170 | release notes vendor advisory |