high
7.8
Advisory Published
CVE Published
Updated

CVE-2020-27942

First published: Thu Nov 12 2020(Updated: )

A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. Processing a maliciously crafted font file may lead to arbitrary code execution.

Credit: product-security@apple.com an anonymous researcher an anonymous researcher an anonymous researcher

Affected SoftwareAffected VersionHow to fix
Apple macOS Big Sur<11.0.1
11.0.1
Apple Catalina
Apple Mojave
Apple Mac OS X>=10.14<=10.14.5
Apple Mac OS X>=10.15<=10.15.5
Apple Mac OS X=10.14.6
Apple Mac OS X=10.14.6-security_update_2019-001
Apple Mac OS X=10.14.6-security_update_2019-002
Apple Mac OS X=10.14.6-security_update_2019-004
Apple Mac OS X=10.14.6-security_update_2019-005
Apple Mac OS X=10.14.6-security_update_2019-006
Apple Mac OS X=10.14.6-security_update_2019-007
Apple Mac OS X=10.14.6-security_update_2020-001
Apple Mac OS X=10.14.6-security_update_2020-002
Apple Mac OS X=10.14.6-security_update_2020-003
Apple Mac OS X=10.14.6-security_update_2020-004
Apple Mac OS X=10.14.6-security_update_2020-005
Apple Mac OS X=10.14.6-security_update_2020-006
Apple Mac OS X=10.14.6-security_update_2020-007
Apple Mac OS X=10.14.6-security_update_2021-001
Apple Mac OS X=10.14.6-security_update_2021-002
Apple Mac OS X=10.14.6-security_update_2021-003
Apple Mac OS X=10.14.6-security_update_2021-004
Apple Mac OS X=10.14.6-supplemental_update
Apple Mac OS X=10.14.6-supplemental_update_2
Apple Mac OS X=10.15.6
Apple Mac OS X=10.15.6-supplemental_update
Apple Mac OS X=10.15.7
Apple Mac OS X=10.15.7-security_update_2020
Apple Mac OS X=10.15.7-security_update_2020-001
Apple Mac OS X=10.15.7-security_update_2020-005
Apple Mac OS X=10.15.7-security_update_2020-007
Apple Mac OS X=10.15.7-security_update_2021-001
Apple Mac OS X=10.15.7-security_update_2021-002
Apple Mac OS X=10.15.7-security_update_2021-003
Apple Mac OS X=10.15.7-supplemental_update

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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-2020-27942?

    CVE-2020-27942 is a vulnerability in FontParser that was addressed with improved state management.

  • Which software versions are affected by CVE-2020-27942?

    CVE-2020-27942 affects Apple Catalina, Apple Mojave, and Apple macOS Big Sur 11.0.1.

  • How can I fix CVE-2020-27942?

    To fix CVE-2020-27942, update to the latest version of Apple Catalina, Apple Mojave, or Apple macOS Big Sur 11.0.1.

  • Where can I find more information about CVE-2020-27942?

    You can find more information about CVE-2020-27942 on the Apple support website.

  • Are there any known exploits for CVE-2020-27942?

    No known exploits for CVE-2020-27942 have been reported.

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