CVE-2021-30841

High

Description

This issue was addressed with improved checks. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing a maliciously crafted dfont file may lead to arbitrary code execution.

SeverityHigh
CVSS7.8
Exploit probability—
ProductApple Ipados
PublishedOct 19, 2021
First seenOct 19, 2021

How to fix

Update
  • apple ipados14.8 or later
  • apple iphone_os14.8 or later
  • apple macos11.6 or later
  • apple tvos15.0 or later
  • apple watchos8.0 or later

Affected products

ProductAffected versionsFixed in
apple ipadosv < 14.814.8
apple iphone_osv < 14.814.8
apple mac_os_x10.15 ≤ v ≤ 10.15.6, 10.15.7—
apple macos11.0 ≤ v < 11.611.6
apple tvosv < 15.015.0
apple watchosv < 8.08.0

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