critical
9.3
CWE
20 787
Advisory Published
CVE Published
Updated

CVE-2021-1744: Input Validation

First published: Tue Jan 26 2021(Updated: )

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted image may lead to arbitrary code execution.

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

Affected SoftwareAffected VersionHow to fix
Apple watchOS<7.3
7.3
Apple tvOS<14.4
14.4
Apple iPadOS<14.4
Apple iPhone OS<14.4
Apple Mac OS X>=10.15<10.15.7
Apple Mac OS X=10.15.7
Apple Mac OS X=10.15.7-security_update_2020-001
Apple Mac OS X=10.15.7-supplemental_update
Apple macOS>=11.0.1<11.2
Apple tvOS<14.4
Apple watchOS<7.3

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-2021-1744?

    CVE-2021-1744 is a vulnerability in ImageIO that allows for an out-of-bounds write due to improved input validation.

  • How does CVE-2021-1744 impact Apple macOS Big Sur 11.2?

    CVE-2021-1744 affects Apple macOS Big Sur 11.2 and can result in an out-of-bounds write vulnerability.

  • What versions of Apple watchOS are affected by CVE-2021-1744?

    CVE-2021-1744 impacts Apple watchOS versions up to exclusive 7.3.

  • What is the remedy for CVE-2021-1744 on Apple iOS?

    The remedy for CVE-2021-1744 on Apple iOS is to update to version 14.4 or higher.

  • Where can I find more information about CVE-2021-1744?

    You can find more information about CVE-2021-1744 in Apple's security advisories: [link 1](https://support.apple.com/en-us/HT212149), [link 2](https://support.apple.com/en-us/HT212147), [link 3](https://support.apple.com/en-us/HT212148).

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.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203