vulnerability

A maliciously crafted web content may lead to a memory corruption issue

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Severity

CVSS

(AV:N/AC:M/Au:N/C:P/I:P/A:P)

Published

May 6, 2021

Added

May 6, 2021

Modified

Mar 27, 2026

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..

Solution

apple-osx-upgrade-11_3_1

References

CVE-2021-30665
https://attackerkb.com/topics/CVE-2021-30665
CWE-787
EUVD-EUVD-2021-17582
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-17582
https://support.apple.com/kb/HT212335

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