CVE-2021-30858

CVE Published 2021-08-24
Related CWE(s) CWE-416: Use After Free
Related Vendor(s) fedoraproject, apple, debian
Related Product(s) ipados, iphone_os, macos, fedora, debian_linux
Exploitation Reported (CISA KEV) 2021-11-03
CVSS 3 Base Score 8.8 (HIGH)
CVSS 3 Attack Complexity LOW
CVSS 3 Attack Vector NETWORK

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6. 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.

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References