CVE-2020-27930

HighActively exploited (CISA KEV)

Description

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. Processing a maliciously crafted font may lead to arbitrary code execution.

SeverityHigh
CVSS7.8
Exploit probability—
ProductApple Multiple Products
PublishedDec 8, 2020
First seenDec 8, 2020
Added to KEVNov 3, 2021

How to fix

CISA required action

Apply updates per vendor instructions.

CISA due date: May 3, 2022
Update
  • apple ipados14.2 or later
  • apple iphone_os12.4.9, 14.2 or later
  • apple mac_os_x10.15.7 or later
  • apple macos11.0.1 or later
  • apple watchos5.3.9, 6.2.9, 7.1 or later

Affected products

ProductAffected versionsFixed in
apple ipadosv < 14.214.2
apple iphone_osv < 12.4.9, 14.0 ≤ v < 14.212.4.9, 14.2
apple mac_os_xv < 10.15.710.15.7
apple macos11.0 ≤ v < 11.0.111.0.1
apple watchosv < 5.3.9, 6.0 ≤ v < 6.2.9, 7.0 ≤ v < 7.15.3.9, 6.2.9, 7.1

Check your version

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