critical
9.3
CWE
416
Advisory Published
CVE Published
Updated

CVE-2020-9975: Use After Free

First published: Wed Sep 16 2020(Updated: )

Kernel. A use after free issue was addressed with improved memory management.

Credit: Tielei Wang Pangu LabTielei Wang Pangu LabTielei Wang Pangu LabTielei Wang Pangu LabTielei Wang Pangu Lab product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple macOS<11.0.1
11.0.1
tvOS<14.0
14.0
Apple macOS<11.1
11.1
macOS Catalina
macOS Mojave
Apple iOS, iPadOS, and watchOS<7.0
7.0
Apple iOS and iPadOS<14.0
14.0
Apple iOS, iPadOS, and macOS<14.0
14.0
Apple iOS, iPadOS, and macOS<14.0
iPhone OS<14.0
Apple iOS and macOS>=10.14<10.14.6
Apple iOS and macOS>=10.15<10.15.7
Apple iOS and macOS=10.14.6
Apple iOS and macOS=10.14.6-security_update_2019-004
Apple iOS and macOS=10.14.6-security_update_2019-005
Apple iOS and macOS=10.14.6-security_update_2019-006
Apple iOS and macOS=10.14.6-security_update_2019-007
Apple iOS and macOS=10.14.6-security_update_2020-002
Apple iOS and macOS=10.14.6-security_update_2020-003
Apple iOS and macOS=10.14.6-security_update_2020-004
Apple iOS and macOS=10.14.6-security_update_2020-005
Apple iOS and macOS=10.14.6-security_update_2020-006
Apple iOS and macOS=10.14.6-supplemental_update
Apple iOS and macOS=10.14.6-supplemental_update_2
Apple iOS and macOS=10.15.7
Apple iOS and macOS=10.15.7-supplemental_update
macOS>=11.0<11.0.1
tvOS<14.0
Apple iOS, iPadOS, and watchOS<7.0

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2020-9975?

    CVE-2020-9975 is a vulnerability in the Kernel that allows for a use after free issue, which has been addressed with improved memory management.

  • Which software is affected by CVE-2020-9975?

    CVE-2020-9975 affects Apple tvOS 14.0, Apple iOS 14.0, Apple iPadOS 14.0, Apple watchOS 7.0, Apple macOS Big Sur up to version 11.0.1, Apple macOS Big Sur up to version 11.1, Apple Catalina, and Apple Mojave.

  • How can I fix CVE-2020-9975?

    To fix CVE-2020-9975, update your affected software to the latest version provided by Apple.

  • What is the severity of CVE-2020-9975?

    The severity of CVE-2020-9975 is not specified.

  • Where can I find more information about CVE-2020-9975?

    You can find more information about CVE-2020-9975 on the Apple support page at [https://support.apple.com/en-us/HT211843](https://support.apple.com/en-us/HT211843), [https://support.apple.com/en-us/HT211844](https://support.apple.com/en-us/HT211844), and [https://support.apple.com/en-us/HT211850](https://support.apple.com/en-us/HT211850).

Company

Resources

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.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203