Description

An integer overflow was addressed with improved input validation. This issue is fixed in iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, Safari 14.1.1, macOS Big Sur 11.3.1. Processing maliciously crafted web content may lead to arbitrary code execution.

Related CPE's

a

apple

safari

Vulnerable

o

apple

ipados

Vulnerable

o

apple

iphone_os

2

o

apple

macos

Vulnerable

o

apple

tvos

Vulnerable

References

https://support.apple.com/en-us/HT212335

Release NotesVendor Advisory

https://support.apple.com/en-us/HT212336

Release NotesVendor Advisory

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

Release NotesVendor Advisory

https://support.apple.com/en-us/HT212532

Release NotesVendor Advisory

https://support.apple.com/en-us/HT212534

Release NotesVendor Advisory

https://support.apple.com/en-us/HT212335

Release NotesVendor Advisory

https://support.apple.com/en-us/HT212336

Release NotesVendor Advisory

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

Release NotesVendor Advisory

https://support.apple.com/en-us/HT212532

Release NotesVendor Advisory

https://support.apple.com/en-us/HT212534

Release NotesVendor Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30663

Third Party AdvisoryUS Government Resource

Weaknesses

[email protected]

Primary
CWE-190

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

Secondary
CWE-190

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

2021-09-08T13:15:13.413Z

4 years ago

Last modified

2025-10-23T12:55:43.020Z

5 months ago