8.8
High
CVE-2021-30665 Apple Multiple Products WebKit Memory Corruption Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions.
Ransomware campaigns
Not observed so far
Weakness
CWE-787
Description
A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 7.4.1, iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, macOS Big Sur 11.3.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| macOS 14.6 | earliest → < 14.6 | 14.6 |
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