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CVE-2021-30665

Severity
HIGH
CVSS
8.8
EPSS
0.03692
Risk score
61.49
CISA KEV
Yes
PoC
No
Published
2021-09-08
Modified
2025-10-21
First seen
2026-08-07
Aliases
EUVD-2021-17582, GHSA-FGQ5-6X94-H566
Products
Apple:Multiple Products, Apple:macOS unspecified <11.3, Apple:macOS unspecified <12.5, Apple:macOS unspecified <14.5, Apple:macOS unspecified <14.6, Apple:macOS unspecified <7.4
Sources
euvd EUVD-2021-17582
cisa.gov CVE-2021-30665

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..

References