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Related Vulnerabilities: CVE-2021-30818

A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, Safari 15, watchOS 8. Processing maliciously crafted web content may lead to arbitrary code execution.

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Description

The MITRE CVE dictionary describes this issue as:

A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, Safari 15, watchOS 8. Processing maliciously crafted web content may lead to arbitrary code execution.

Additional Information

Bugzilla 2034368: CVE-2021-30818 webkitgtk: processing maliciously crafted web content may lead to arbitrary code execution
CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')
FAQ: Frequently asked questions about CVE-2021-30818

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CVE-2021-30818

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