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..

Related CPE's

a

apple

safari

Vulnerable

o

apple

ipados

Vulnerable

o

apple

iphone_os

2

o

apple

macos

Vulnerable

o

apple

tvos

Vulnerable

o

apple

watchos

Vulnerable

References

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

Vendor Advisory

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

Vendor Advisory

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

Vendor Advisory

https://support.apple.com/en-us/HT212324

Vendor Advisory

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

Vendor Advisory

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

Vendor Advisory

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

Vendor Advisory

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

Vendor Advisory

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

Vendor Advisory

https://support.apple.com/en-us/HT212324

Vendor Advisory

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

Vendor Advisory

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

Vendor Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30661

Third Party AdvisoryUS Government Resource

Weaknesses

[email protected]

Primary
CWE-416

134c704f-9b21-4f2e-91b3-4a467353bcc0

Secondary
CWE-416

CVSS impact metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

8.8 · High

Information

Source identifier

[email protected]

Vulnerability status

Analyzed

Published

2021-09-08T13:15:13.320Z

4 years ago

Last modified

2025-10-23T12:53:48.827Z

4 months ago