high
8.1
CWE
787
Advisory Published
CVE Published
Updated

CVE-2021-30717

First published: Mon May 24 2021(Updated: )

smbx. A memory corruption issue was addressed with improved state management.

Credit: Aleksandar Nikolic Cisco TalosAleksandar Nikolic Cisco TalosAleksandar Nikolic Cisco Talos product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple macOS Big Sur<11.4
11.4
Apple Catalina
Apple Mojave
Apple Mac OS X>=10.14<=10.14.5
Apple Mac OS X>=10.15<=10.15.6
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-supplemental_update
Apple Mac OS X=10.14.6-supplemental_update_2
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-supplemental_update
Apple macOS>=11.0<11.4

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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 the vulnerability ID?

    The vulnerability ID is CVE-2021-30717.

  • What is the title of the vulnerability?

    The title of the vulnerability is 'smbx. A memory corruption issue was addressed with improved state management.'

  • What is the impact of CVE-2021-30717?

    The impact of CVE-2021-30717 is a memory corruption issue.

  • Which software is affected by CVE-2021-30717?

    macOS Big Sur 11.4, macOS Mojave, and macOS Catalina are affected by CVE-2021-30717.

  • How can I fix CVE-2021-30717?

    Ensure that you have the latest security update installed for the affected macOS version.

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