An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Catalina 10.15.5. A malicious application may be able to execute arbitrary code with kernel privileges.
[
{
"product": "macOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "macOS Catalina 10.15.5",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]