high
7.8
CWE
20 125
Advisory Published
Updated

CVE-2021-30958: Input Validation

First published: Tue Aug 24 2021(Updated: )

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Playing a malicious audio file may lead to 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 cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Apple macOS Monterey<12.1
12.1
Apple Catalina
Apple iOS<15.2
15.2
Apple iPadOS<15.2
15.2
Apple macOS<11.6.2
11.6.2
watchOS<8.3
8.3
Apple iPadOS<15.2
Apple iPhone OS<15.2
macOS Yosemite>=10.15<10.15.7
macOS Yosemite=10.15.7
macOS Yosemite=10.15.7-security_update_2020-001
macOS Yosemite=10.15.7-security_update_2021-001
macOS Yosemite=10.15.7-security_update_2021-002
macOS Yosemite=10.15.7-security_update_2021-003
macOS Yosemite=10.15.7-security_update_2021-004
macOS Yosemite=10.15.7-security_update_2021-005
macOS Yosemite=10.15.7-security_update_2021-006
macOS Yosemite=10.15.7-security_update_2021-007
Apple macOS>=11.0<11.6.2
Apple macOS>=12.0<12.1
tvOS<15.2
watchOS<8.3
tvOS<15.2
15.2

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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-2021-30958?

    CVE-2021-30958 is a vulnerability in CoreAudio that allows for an out-of-bounds read due to improved input validation. It affects various Apple products including macOS, iOS, and watchOS.

  • How severe is CVE-2021-30958?

    The severity of CVE-2021-30958 is not specified, but it is classified under CWE-20, which is the Common Weakness Enumeration for Improper Input Validation.

  • Which software versions are affected by CVE-2021-30958?

    CVE-2021-30958 affects Apple Catalina, macOS Monterey (up to version 12.1), macOS Big Sur (up to version 11.6.2), watchOS (up to version 8.3), iOS (up to version 15.2), iPadOS (up to version 15.2), and tvOS (up to version 15.2).

  • How can I fix CVE-2021-30958?

    To fix CVE-2021-30958, it is recommended to update your affected Apple products to the latest available versions.

  • Where can I find more information about CVE-2021-30958?

    You can find more information about CVE-2021-30958 on the official Apple support page at https://support.apple.com/en-us/HT212980.

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