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..
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Apple iOS and iPadOS
unspecified to < 14.5affected
Apple Safari
unspecified to < 14.1affected
Apple tvOS
unspecified to < 14.5affected
Apple watchOS
unspecified to < 7.4affected
Apple macOS
unspecified to < 11.3affected
Apple macOS
unspecified to < 12.5affected
References
- https://support.apple.com/en-us/HT212317 ↗
- https://support.apple.com/en-us/HT212323 ↗
- https://support.apple.com/en-us/HT212324 ↗
- https://support.apple.com/en-us/HT212325 ↗
- https://support.apple.com/en-us/HT212341 ↗
- https://support.apple.com/en-us/HT212318 ↗
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30661 ↗