Detections
Analytics
CVE-2021-30661
high
Description
A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.1, iOS 12.5.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. 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..
References
https://www.tenable.com/cyber-exposure/2021-threat-landscape-retrospective
https://support.apple.com/en-us/HT212341
https://support.apple.com/en-us/HT212325
https://support.apple.com/en-us/HT212324
https://support.apple.com/en-us/HT212323