high
7.8
CWE
787
Advisory Published
CVE Published
Updated

CVE-2020-9980

First published: Wed Jul 15 2020(Updated: )

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. Processing a maliciously crafted font file may lead to arbitrary code execution.

Credit: Xingwei Lin Ant Security Light product-security@apple.com

Affected SoftwareAffected VersionHow to fix
tvOS<13.4.8
13.4.8
macOS Catalina<10.15.6
10.15.6
macOS Mojave
macOS High Sierra
Apple iOS, iPadOS, and watchOS<13.6
13.6
Apple iOS, iPadOS, and watchOS<13.6
13.6
Apple iOS, iPadOS, and watchOS<6.2.8
6.2.8
Apple iOS, iPadOS, and watchOS<13.6
iOS<13.6
Apple iOS and macOS<10.15.6
tvOS<13.4.8
Apple iOS, iPadOS, and watchOS<6.2.8

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-2020-9980?

    CVE-2020-9980 is an out-of-bounds write vulnerability in FontParser that allows attackers to overwrite memory beyond the bounds of a buffer.

  • What software versions are affected by CVE-2020-9980?

    CVE-2020-9980 affects macOS Catalina version up to and including 10.15.6, Apple Mojave, Apple High Sierra, iOS up to and including 13.6, iPadOS up to and including 13.6, watchOS up to and including 6.2.8, and tvOS up to and including 13.4.8.

  • How can I mitigate the impact of CVE-2020-9980?

    To mitigate the impact of CVE-2020-9980, it is recommended to update affected software to the latest available version. For more information, refer to the official Apple Security Advisory.

  • Where can I find more information about CVE-2020-9980?

    You can find more information about CVE-2020-9980 in the official Apple Security Advisories: [https://support.apple.com/en-us/HT211289](https://support.apple.com/en-us/HT211289), [https://support.apple.com/en-us/HT211288](https://support.apple.com/en-us/HT211288), [https://support.apple.com/en-us/HT211291](https://support.apple.com/en-us/HT211291)

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