CVE-2021-30834

Published 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 Light)

Affected Software

23 affected componentsFixes available
Apple macOS Big Sur<11.6
11.6
Apple tvOS<15
15
Apple Catalina
Apple WatchOS<8
8
Apple iOS<15
15
Apple iPadOS<15
15
Apple iOS<14.8
14.8
Apple iPadOS<14.8
14.8
Apple iPadOS<14.8
Apple iPhone OS<14.8
Apple iOS and macOS<10.15.7
Apple iOS and macOS=10.15.7
Apple iOS and macOS=10.15.7-security_update_2020-001
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-security_update_2021-004
Apple iOS and macOS=10.15.7-security_update_2021-005
Apple iOS and macOS=10.15.7-security_update_2021-006
Apple iOS and macOS=10.15.7-supplemental_update
Apple macOS>=11.0<11.6
Apple tvOS<15.0
Apple WatchOS<8.0

Event History

Oct 28, 2021
CVE Published
via MITRE·06:17 PM
Data Sourced
via MITRE·06:17 PM
DescriptionWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2021-30834?

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

2

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.

3

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.

4

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).

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203