7.8
CWE
20 787
Advisory Published
CVE Published
Updated

CVE-2020-27931: Input Validation

First published: Wed Sep 16 2020(Updated: )

FontParser. A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation.

Credit: Apple Apple Apple Apple Apple Mateusz Jurczyk Google Project ZeroMateusz Jurczyk Google Project ZeroMateusz Jurczyk Google Project Zero product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple tvOS<14.0
14.0
Apple watchOS<7.0
7.0
Apple iOS<14.0
14.0
Apple iPadOS<14.0
14.0
Apple macOS Big Sur<11.0.1
11.0.1
Apple Mac OS X<11.1.0
Apple iPadOS<14.0
Apple iPhone OS<14.0
Apple Mac OS X<11.0.1
Apple tvOS<14.0
Apple watchOS<7.0

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Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2020-27931?

    CVE-2020-27931 is a memory corruption issue in the FontParser component of Apple's software.

  • Which software versions are affected by CVE-2020-27931?

    CVE-2020-27931 affects Apple tvOS up to version 14.0, Apple iOS up to version 14.0, Apple iPadOS up to version 14.0, Apple watchOS up to version 7.0, Apple macOS Big Sur up to version 11.0.1, Apple macOS Big Sur up to version 11.1, Apple Catalina, and Apple Mojave.

  • How can I fix the vulnerability in CVE-2020-27931?

    To fix the vulnerability in CVE-2020-27931, you should update your affected Apple software to the latest version available.

  • Where can I find more information about CVE-2020-27931?

    You can find more information about CVE-2020-27931 on the Apple support website.

  • What is the Common Weakness Enumeration (CWE) ID for CVE-2020-27931?

    The CWE ID for CVE-2020-27931 is CWE-20, which stands for Improper Input Validation.

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