PT-2021-18904

CVE-2021-30841

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Published

2021-09-13

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Updated

2021-11-05

Description by

CVSS 3.1
7.8
High
MetricsAV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions iOS versions prior to 14.8 iPadOS versions prior to 14.8 macOS Big Sur versions prior to 11.6 macOS Catalina versions prior to Security Update 2021-005 tvOS versions prior to 15 iOS versions prior to 15 iPadOS versions prior to 15 watchOS versions prior to 8
Description Processing a maliciously crafted dfont file may lead to arbitrary code execution. This issue was addressed with improved checks.
Recommendations For iOS versions prior to 14.8, update to iOS 14.8 or later. For iPadOS versions prior to 14.8, update to iPadOS 14.8 or later. For macOS Big Sur versions prior to 11.6, update to macOS Big Sur 11.6 or later. For macOS Catalina versions prior to Security Update 2021-005, apply Security Update 2021-005 or later. For tvOS versions prior to 15, update to tvOS 15 or later. For iOS versions prior to 15, update to iOS 15 or later. For iPadOS versions prior to 15, update to iPadOS 15 or later. For watchOS versions prior to 8, update to watchOS 8 or later.
Exploitability
Fix
Researchers
Vendors
Affected products
Related identifiers
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