CVE-2021-30661

Summary:

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..

Reference Links(if available):

https://support.apple.com/en-us/HT212341

https://support.apple.com/en-us/HT212318

https://support.apple.com/en-us/HT212317

https://support.apple.com/en-us/HT212325

https://support.apple.com/en-us/HT212323

CVSS Score (if available)

v2: / MEDIUM

v3: /

Links to Exploits(if available)