CVE-2021-30858 — Apple iOS, iPadOS, macOS Use-After-Free Vulnerability
CVE-2021-30858: Apple iOS, iPadOS, macOS Use-After-Free Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Apple |
| Product | iOS, iPadOS, and macOS |
| Date added | 2021-11-03 |
| Due date | 2021-11-17 |
| Ransomware campaign use | Unknown |
Description
Apple iOS, iPadOS, and macOS WebKit contain a use-after-free 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-2021-30858
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-30858
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog