NetSight
high8.8Known exploited

CVE-2021-1789

Apple Multiple Products Type Confusion Vulnerability

Exploited in the wild

This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2022-05-04. Federal due date: 2022-05-25.

Apply updates per vendor instructions.

Impact

A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code execution.

Affected products

VendorProductAffected versions
AppleIpados
before 14.4
AppleIphone Os
before 14.4
AppleMac Os X
from 10.14 before 10.14.6
from 10.15 before 10.15.7
Versions 10.14.6, 10.15.7
AppleMacos
from 11.0 before 11.2
AppleTvos
before 14.4
AppleWatchos
before 7.3
FedoraprojectFedora
Versions 32, 33
WebkitgtkWebkitgtk
before 2.30.6

Weakness classification

References