7.8
CWE
787
Advisory Published
CVE Published
Updated

CVE-2021-30775

First published: Mon Jul 19 2021(Updated: )

A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-004 Catalina. Processing a maliciously crafted audio file may lead to arbitrary code execution.

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

Affected SoftwareAffected VersionHow to fix
Apple macOS<11.5
11.5
tvOS<14.7
14.7
macOS Catalina
Apple iOS, iPadOS, and watchOS<7.6
7.6
iStyle @cosme iPhone OS<14.7
Apple iOS and macOS>=10.15<=10.15.6
Apple iOS and macOS=10.15.7
Apple iOS and macOS=10.15.7-security_update_2020
Apple iOS and macOS=10.15.7-security_update_2020-001
Apple iOS and macOS=10.15.7-security_update_2020-005
Apple iOS and macOS=10.15.7-security_update_2020-007
Apple iOS and macOS=10.15.7-security_update_2021-001
Apple iOS and macOS=10.15.7-security_update_2021-002
Apple iOS and macOS=10.15.7-security_update_2021-003
Apple iOS and macOS=10.15.7-supplemental_update
Apple iOS and macOS<11.5
tvOS<14.7
Apple iOS, iPadOS, and watchOS<7.6

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2021-30775?

    CVE-2021-30775 is a memory corruption issue in CoreAudio that has been addressed with improved state management.

  • Which software products are affected by CVE-2021-30775?

    CVE-2021-30775 affects Apple watchOS version up to 7.6, Apple tvOS version up to 14.7, Apple Catalina, and Apple macOS Big Sur version up to 11.5.

  • How can I fix the memory corruption issue addressed in CVE-2021-30775?

    To fix the memory corruption issue addressed in CVE-2021-30775, update your Apple watchOS to version 7.6 or later, Apple tvOS to version 14.7 or later, Apple macOS Big Sur to version 11.5 or later, or apply the necessary patches provided by Apple.

  • Where can I find more information about CVE-2021-30775?

    You can find more information about CVE-2021-30775 on the Apple support page: [https://support.apple.com/en-us/HT212605](https://support.apple.com/en-us/HT212605).

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