← Back to browse · API

CVE-2021-30661

Severity
HIGH
CVSS
8.8
EPSS
0.04528
Risk score
61.78
CISA KEV
Yes
PoC
No
Published
2021-09-08
Modified
2025-10-21
First seen
2026-08-07
Aliases
EUVD-2021-17578, GHSA-79QQ-9X66-F5R5
Products
Apple:Multiple Products, Apple:Safari unspecified <14.1, Apple:iOS and iPadOS unspecified <14.5, Apple:macOS unspecified <11.3, Apple:macOS unspecified <12.5, Apple:tvOS unspecified <14.5, Apple:watchOS unspecified <7.4
Sources
euvd EUVD-2021-17578
cisa.gov CVE-2021-30661

Description

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.1, iOS 12.5.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. 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