Unrated severityCISA KEVNVD Advisory· Published Sep 8, 2021· Updated Oct 21, 2025
CVE-2021-30663
CVE-2021-30663
Description
An integer overflow was addressed with improved input validation. This issue is fixed in iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, Safari 14.1.1, macOS Big Sur 11.3.1. Processing maliciously crafted web content may lead to arbitrary code execution.
Affected products
1- Range: unspecified
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
5- support.apple.com/en-us/HT212335mitrex_refsource_MISC
- support.apple.com/en-us/HT212336mitrex_refsource_MISC
- support.apple.com/en-us/HT212341mitrex_refsource_MISC
- support.apple.com/en-us/HT212532mitrex_refsource_MISC
- support.apple.com/en-us/HT212534mitrex_refsource_MISC
News mentions
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