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Related Vulnerabilities: CVE-2021-30849

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, watchOS 8, Safari 15, tvOS 15, iOS 15 and iPadOS 15, iTunes 12.12 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.

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The MITRE CVE dictionary describes this issue as:

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, watchOS 8, Safari 15, tvOS 15, iOS 15 and iPadOS 15, iTunes 12.12 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.

Additional Information

Bugzilla 2017904: CVE-2021-30849 webkitgtk: processing maliciously crafted web content may lead to arbitrary code execution
CWE-787: Out-of-bounds Write
FAQ: Frequently asked questions about CVE-2021-30849

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CVE-2021-30849

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