high
8.8
CWE
787
Advisory Published
CVE Published
Updated

CVE-2021-1828

First published: Mon Apr 26 2021(Updated: )

A memory corruption issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. An application may be able to cause unexpected system termination or write kernel memory.

Credit: Zuozhi Fan @pattern_F_ Ant Group Tianqiong Security LabZuozhi Fan @pattern_F_ Ant Group Tianqiong Security Lab product-security@apple.com Zuozhi Fan @pattern_F_ Ant Group Tianqiong Security Lab

Affected SoftwareAffected VersionHow to fix
Apple macOS Big Sur<11.3
11.3
Apple Mojave
Apple Catalina
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-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-supplemental_update
Apple macOS>=11.0<11.3

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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-2021-1828?

    CVE-2021-1828 is a memory corruption issue in Wi-Fi that was addressed with improved validation.

  • Which software versions are affected by CVE-2021-1828?

    CVE-2021-1828 affects Apple Catalina, Apple Mojave, and Apple macOS Big Sur version up to 11.3.

  • How can I fix CVE-2021-1828?

    To fix CVE-2021-1828, update your operating system to the latest version provided by Apple.

  • Where can I find more information about CVE-2021-1828?

    You can find more information about CVE-2021-1828 on the official Apple support page.

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