medium
5.5
CWE
20 125
Advisory Published
CVE Published
Updated

CVE-2021-1846: Input Validation

First published: Mon Apr 26 2021(Updated: )

CoreAudio. An out-of-bounds read was addressed with improved input validation.

Credit: JunDong 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<11.3
11.3
tvOS<14.5
14.5
macOS Catalina
Apple iOS, iPadOS, and watchOS<14.5
14.5
Apple iOS, iPadOS, and watchOS<14.5
14.5
Apple iOS, iPadOS, and watchOS<7.4
7.4
Apple iOS, iPadOS, and watchOS<14.5
iOS<14.5
Apple iOS and macOS=10.15
Apple iOS and macOS=10.15.1
Apple iOS and macOS=10.15.2
Apple iOS and macOS=10.15.3
Apple iOS and macOS=10.15.4
Apple iOS and macOS=10.15.5
Apple iOS and macOS=10.15.6
Apple iOS and macOS=10.15.6
Apple iOS and macOS=10.15.6-supplemental_update
Apple iOS and macOS=10.15.7
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>=11.0<11.3
tvOS<14.5
Apple iOS, iPadOS, and watchOS<7.4

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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 CVE-2021-1846?

    CVE-2021-1846 is a vulnerability in CoreAudio that allows for an out-of-bounds read, which can result in disclosure of restricted memory.

  • Which software products are affected by CVE-2021-1846?

    CVE-2021-1846 affects Apple iOS (up to version 14.5), Apple iPadOS (up to version 14.5), Apple watchOS (up to version 7.4), Apple macOS Big Sur (up to version 11.3), Apple Catalina, and Apple tvOS (up to version 14.5).

  • How can CVE-2021-1846 be exploited?

    CVE-2021-1846 can be exploited by processing a maliciously crafted audio file.

  • What is the severity of CVE-2021-1846?

    The severity of CVE-2021-1846 is currently not specified.

  • How can I fix CVE-2021-1846?

    To fix CVE-2021-1846, update your software to the latest version provided by Apple.

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