← ExploitWatch
HomeExploited Vulnerabilities

CVE-2021-30663 — Actively Exploited: Multiple Products (Apple)

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 fo

CVE IDCVE-2021-30663
VendorApple
ProductMultiple Products
Vulnerability nameApple Multiple Products WebKit Integer Overflow Vulnerability
Date added2021-11-03
Remediation due2021-11-17
Known ransomware useUnknown
Required actionApply updates per vendor instructions.
DescriptionApple 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.
SourceCISA Known Exploited Vulnerabilities

🔍 Search all exploited vulnerabilities →