CVE-2021-30663: Apple Multiple Products WebKit Integer Overflow Vulnerability
An integer overflow was addressed with improved input validation.
Other sources
Apple iOS, iPadOS, macOS, tvOS, and Safari WebKit contain an integer overflow vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.
— CISA
Credit
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2021-30665
- CVE-2021-30663
- CVE-2021-30707
- CVE-2021-30685
- CVE-2021-30686
- CVE-2021-30753
- CVE-2021-30733
- CVE-2021-30727
- CVE-2021-30724
- CVE-2021-30771
- CVE-2021-30755
- CVE-2021-30697
- CVE-2021-30710
- CVE-2021-30687
- CVE-2021-30700
- CVE-2021-30701
- CVE-2021-30705
- CVE-2021-30706
- CVE-2021-30740
- CVE-2021-30704
- CVE-2021-30715
- CVE-2021-30736
- CVE-2021-30703
- CVE-2021-30677
- CVE-2021-30737
- CVE-2021-30744
- CVE-2021-21779
- CVE-2021-30682
- CVE-2021-30689
- CVE-2021-30749
- CVE-2021-30734
- CVE-2021-30720
- CVE-2021-23841
- CVE-2021-30698
- CVE-2021-30666
- CVE-2021-30661
Frequently Asked Questions
What is the vulnerability ID for this Apple product vulnerability?
The vulnerability ID for this Apple product vulnerability is CVE-2021-30663.
Which Apple products are affected by this vulnerability?
Apple iOS, iPadOS, macOS, tvOS, and Safari WebKit are affected by this vulnerability.
What is the severity of CVE-2021-30663?
The severity of CVE-2021-30663 is not specified in the provided information.
How can the CVE-2021-30663 vulnerability be exploited?
The CVE-2021-30663 vulnerability can be exploited by processing maliciously crafted web content.
How can I fix the CVE-2021-30663 vulnerability?
To fix the CVE-2021-30663 vulnerability, update to the recommended version provided by Apple.