high
7.1
CWE
787
Advisory Published
CVE Published
Updated

CVE-2021-30710

First published: Mon May 24 2021(Updated: )

A memory corruption issue was addressed with improved state management. This issue is fixed in tvOS 14.6, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. A malicious application may cause a denial of service or potentially disclose memory contents.

Credit: Gabe Kirkpatrick @gabe_k Gabe Kirkpatrick @gabe_k Gabe Kirkpatrick @gabe_k Gabe Kirkpatrick @gabe_k Gabe Kirkpatrick @gabe_k Gabe Kirkpatrick @gabe_k product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iPadOS<14.6
Apple iPhone OS<14.6
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
Apple tvOS<14.6
Apple watchOS<7.5
Apple watchOS<7.5
7.5
Apple macOS Big Sur<11.4
11.4
Apple Mojave
Apple Catalina
Apple iOS<14.6
14.6
Apple iPadOS<14.6
14.6
Apple tvOS<14.6
14.6

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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-2021-30710?

    CVE-2021-30710 is a memory corruption issue in Heimdal that has been addressed with improved state management.

  • Which software versions are affected by CVE-2021-30710?

    Apple tvOS up to version 14.6, Apple watchOS up to version 7.5, Apple macOS Big Sur up to version 11.4, Apple iOS up to version 14.6, and Apple iPadOS up to version 14.6 are affected.

  • How can I fix CVE-2021-30710?

    Update to the latest version of Apple tvOS, Apple watchOS, Apple macOS Big Sur, Apple iOS, or Apple iPadOS, based on your device.

  • Where can I find more information about CVE-2021-30710?

    You can find more information about CVE-2021-30710 on the official Apple support page: [Reference link 1](https://support.apple.com/en-us/HT212530), [Reference link 2](https://support.apple.com/en-us/HT212533), [Reference link 3](https://support.apple.com/en-us/HT212529).

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