high
7.8
CWE
20 125
Advisory Published
CVE Published
Updated

CVE-2020-9984: Input Validation

First published: Wed Jul 15 2020(Updated: )

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

Credit: Xingwei Lin Antan anonymous researcher product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iCloud for Windows<11.3
11.3
Apple iTunes for Windows<12.10.8
12.10.8
Apple iCloud for Windows<7.20
7.20
Apple macOS Catalina<10.15.6
10.15.6
Apple Mojave
Apple High Sierra
watchOS<6.2.8
6.2.8
tvOS<13.4.8
13.4.8
Apple iOS<13.6
13.6
iPadOS<13.6
13.6
apple icloud windows<7.20
apple icloud windows>=11.0<11.3
apple itunes windows<12.10.8
iPadOS<13.6
Apple iPhone OS<13.6
macOS Yosemite<10.15.6
tvOS<13.4.8
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-2020-9984?

    CVE-2020-9984 is a vulnerability in ImageIO that allows for an out-of-bounds read due to improved input validation.

  • How does CVE-2020-9984 affect Apple macOS Catalina?

    CVE-2020-9984 affects Apple macOS Catalina versions up to and excluding 10.15.6.

  • What are the affected versions of Apple iOS by CVE-2020-9984?

    CVE-2020-9984 affects Apple iOS versions up to and excluding 13.6.

  • How can I fix CVE-2020-9984?

    To fix CVE-2020-9984, update to the latest version of the affected software as recommended by Apple.

  • Where can I find more information about CVE-2020-9984?

    You can find more information about CVE-2020-9984 on the Apple support website.

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