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CVE-2021-1817 A memory corruption issue was addressed with improved state management

Description

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may lead to arbitrary code execution.

Affected products and versions

Product Affected versions Fixed in
iOS and iPadOS 14.5 earliest → < 14.5 14.5
tvOS 14.5 earliest → < 14.5 14.5
watchOS 7.4 earliest → < 7.4 7.4
macOS 11.3 earliest → < 11.3 11.3
The 2049 CVEs of iOS and iPadOS →
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