medium5.5
CVE-2021-1791
An out-of-bounds read issue existed that led to the disclosure of kernel memory.
Impact
An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious application may be able to disclose kernel memory.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apple | Ipados | before 14.4 |
| Apple | Iphone Os | before 14.4 |
| Apple | Mac Os X | from 10.14 before 10.14.6 from 10.15 before 10.15.7 Versions 10.14.6, 10.15.7 |
| Apple | Macos | from 11.0 before 11.2 |
| Apple | Tvos | before 14.4 |
| Apple | Watchos | before 7.3 |
Weakness classification
References
- NVD record
- CVE.org record
- https://support.apple.com/en-us/HT212146
- https://support.apple.com/en-us/HT212147
- https://support.apple.com/en-us/HT212148
- https://support.apple.com/en-us/HT212149
- https://support.apple.com/en-us/HT212146
- https://support.apple.com/en-us/HT212147
- https://support.apple.com/en-us/HT212148
- https://support.apple.com/en-us/HT212149