CVE-2021-30665
HIGH8.8⚠ KEVEPSS 0.56%Apple Multiple Products WebKit Memory Corruption Vulnerability
Published: 9/8/2021Modified: 4/28/2026Added to CISA KEV: 11/3/2021
Description
A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 7.4.1, iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, macOS Big Sur 11.3.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..
Affected packages (2)
- Debian/webkit2gtkfrom 0, < 2.32.3-1
- Debian/wpewebkitfrom 0, < 2.32.3-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |