CVE-2020-27927: High severity apple macos vulnerability

Published Nov 5, 2020
·
Updated

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, tvOS 14.2, watchOS 7.1. Processing a maliciously crafted font file may lead to arbitrary code execution.

Other sources

FontParser. An out-of-bounds write issue was addressed with improved bounds checking.

Credit

Xingwei Lin(Ant Security Light)

Affected Software

10 affected componentsFixes available
Apple macOS Big Sur<11.0.1
11.0.1
Apple tvOS<14.2
14.2
Apple WatchOS<7.1
7.1
Apple iOS<14.2
14.2
Apple iPadOS<14.2
14.2
Apple iPadOS<14.2
Apple iPhone OS<14.2
Apple macOS<11.0.1
Apple tvOS<14.2
Apple WatchOS<7.1

Event History

Dec 8, 2020
CVE Published
via MITRE·08:11 PM
Data Sourced
via MITRE·08:11 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2020-27927?

CVE-2020-27927 is an out-of-bounds write vulnerability in FontParser that has been addressed with improved bounds checking.

2

Which software is affected by CVE-2020-27927?

iPhone and iPad devices running iOS 14.2, iPod devices running watchOS 7.1, Mac devices running macOS Big Sur 11.0.1, and Apple TV devices running tvOS 14.2 are affected by CVE-2020-27927.

3

What is the severity of CVE-2020-27927?

The severity of CVE-2020-27927 is not mentioned in the information provided.

4

How can I fix CVE-2020-27927?

To fix CVE-2020-27927, update your affected Apple devices to the recommended versions: iOS 14.2, iPadOS 14.2, watchOS 7.1, macOS Big Sur 11.0.1, or tvOS 14.2, as specified by Apple.

5

Where can I find more information about CVE-2020-27927?

You can find more information about CVE-2020-27927 on the Apple support website: [link1], [link2], [link3].

Contact

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