CVE-2021-30698
High
Description
A null pointer dereference was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, Safari 14.1.1, iOS 14.6 and iPadOS 14.6. A remote attacker may be able to cause a denial of service.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Apple Safari
PublishedSep 8, 2021
First seenSep 8, 2021
How to fix
Update
- apple safari14.1.1 or later
- apple ipados14.6 or later
- apple iphone_os14.6 or later
- apple macos11.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple safari | v < 14.1.1 | 14.1.1 |
| apple ipados | v < 14.6 | 14.6 |
| apple iphone_os | v < 14.6 | 14.6 |
| apple macos | 11.0 ≤ v < 11.4 | 11.4 |
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