A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4. An application may be able to execute arbitrary code with kernel privileges.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8529
Reference (s):
- https://support.apple.com/HT209599
- https://support.apple.com/HT209600