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.
[
{
"product": "macOS",
"vendor": "Apple",
"versions": [
{
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"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "macOS",
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"versions": [
{
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}
]