CVE-2021-30758

A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may lead to arbitrary code execution.

• CWE-843

• https://support.apple.com/en-us/HT212601Vendor Advisory
• https://support.apple.com/en-us/HT212602Vendor Advisory
• https://support.apple.com/en-us/HT212604Vendor Advisory
• https://support.apple.com/en-us/HT212605Vendor Advisory
• https://support.apple.com/en-us/HT212606Vendor Advisory
• https://support.apple.com/en-us/HT212601Vendor Advisory
• https://support.apple.com/en-us/HT212602Vendor Advisory
• https://support.apple.com/en-us/HT212604Vendor Advisory
• https://support.apple.com/en-us/HT212605Vendor Advisory
• https://support.apple.com/en-us/HT212606Vendor Advisory

Published

Sep 8, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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