CVE-2021-30703
High
Description
A double free issue was addressed with improved memory management. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. An application may be able to execute arbitrary code with kernel privileges.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Apple Ipados
PublishedSep 8, 2021
First seenSep 8, 2021
How to fix
Update
- apple ipados14.6 or later
- apple iphone_os14.6 or later
- apple macos11.4 or later
- apple tvos14.6 or later
- apple watchos7.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple ipados | v < 14.6 | 14.6 |
| apple iphone_os | v < 14.6 | 14.6 |
| apple mac_os_x | 10.14 ≤ v ≤ 10.14.5, 10.15 ≤ v ≤ 10.15.6, 10.14.6, 10.15.7 | — |
| apple macos | 11.0 ≤ v < 11.4 | 11.4 |
| apple tvos | v < 14.6 | 14.6 |
| apple watchos | v < 7.5 | 7.5 |
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