cve-2021-30661
Vulnerability from cvelistv5
Published
2021-09-08 14:48
Modified
2024-08-03 22:40
Severity ?
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..
References
product-security@apple.comhttps://support.apple.com/en-us/HT212317Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT212318Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT212323Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT212324Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT212325Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT212341Vendor Advisory
Impacted products
AppleiOS and iPadOS
AppleSafari
AppletvOS
ApplewatchOS
ApplemacOS
ApplemacOS
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog

Date added: 2021-11-03

Due date: 2021-11-17

Required action: Apply updates per vendor instructions.

Used in ransomware: Unknown

Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-30661

Show details on NVD website

To clipboard 

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  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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