high
7.8
CWE
787
Advisory Published
CVE Published
Updated

CVE-2020-27927

First published: Thu Nov 05 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.

Credit: Xingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security Light product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iPadOS<14.2
Apple iPhone OS<14.2
Apple macOS<11.0.1
Apple tvOS<14.2
Apple watchOS<7.1
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 macOS Big Sur<11.0.1
11.0.1

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • 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.

  • 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.

  • What is the severity of CVE-2020-27927?

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

  • 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.

  • 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].

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