high
7.8
Advisory Published
CVE Published
Updated

CVE-2021-30834

First published: Mon Sep 13 2021(Updated: )

A logic issue was addressed with improved state management. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, watchOS 8, Security Update 2021-007 Catalina. Processing a malicious audio file may result in unexpected application termination or arbitrary code execution.

Credit: JunDong Xie Ant Security LightJunDong Xie Ant Security LightJunDong Xie Ant Security LightJunDong Xie Ant Security LightJunDong Xie Ant Security LightJunDong Xie Ant Security Light product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple macOS Big Sur<11.6
11.6
Apple iOS<14.8
14.8
Apple iPadOS<14.8
14.8
Apple iOS<15
15
Apple iPadOS<15
15
Apple tvOS<15
15
Apple watchOS<8
8
Apple Catalina
Apple iPadOS<14.8
Apple iPhone OS<14.8
Apple Mac OS X<10.15.7
Apple Mac OS X=10.15.7
Apple Mac OS X=10.15.7-security_update_2020-001
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-security_update_2021-004
Apple Mac OS X=10.15.7-security_update_2021-005
Apple Mac OS X=10.15.7-security_update_2021-006
Apple Mac OS X=10.15.7-supplemental_update
Apple macOS>=11.0<11.6
Apple tvOS<15.0
Apple watchOS<8.0

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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-2021-30834?

    CVE-2021-30834 is a logic issue in CoreAudio that has been addressed with improved state management.

  • Which software versions are affected by CVE-2021-30834?

    CVE-2021-30834 affects watchOS up to version 8, iOS up to version 15, iPadOS up to version 15, macOS Big Sur up to version 11.6, iOS up to version 14.8, iPadOS up to version 14.8, and tvOS up to version 15.

  • How can I fix CVE-2021-30834?

    To fix CVE-2021-30834, update your Apple watchOS to version 8, iOS to version 15, iPadOS to version 15, macOS Big Sur to version 11.6, iOS to version 14.8, iPadOS to version 14.8, and tvOS to version 15.

  • Where can I find more information about CVE-2021-30834?

    You can find more information about CVE-2021-30834 on the Apple website at the following links: [support.apple.com/en-us/HT212871](https://support.apple.com/en-us/HT212871), [support.apple.com/en-us/HT212814](https://support.apple.com/en-us/HT212814), [support.apple.com/en-us/HT212804](https://support.apple.com/en-us/HT212804).

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