CVE-2021-30663
Apple Multiple Products WebKit Integer Overflow Vulnerability
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. Vendor/Product: Apple Multiple Products. Added to CISA KEV 2021-11-03; required action: Apply updates per vendor instructions.