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A permissions issue existed in DiskArbitration. This was addressed with additional ownership checks. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. A malicious application may be able to modify protected parts of the file system.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Apple Osx Diskarbitration | — | Upgrade macOS to the latest versionApply Apple macOS Security Update 2021-002 CatalinaApply Apple macOS Security Update 2021-003 Mojave | Aug 23, 2021 | Apr 26, 2021 |
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