CVE-2021-30663 — Apple Multiple Products WebKit Integer Overflow Vulnerability
CVE-2021-30663: Apple Multiple Products WebKit Integer Overflow Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Apple |
| Product | Multiple Products |
| Date added | 2021-11-03 |
| Due date | 2021-11-17 |
| Ransomware campaign use | Unknown |
Description
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.
Required action (CISA)
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2021-30663
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-30663
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog