high
7.8
CWE
125
Advisory Published
CVE Published
Updated

CVE-2021-1743

First published: Tue Jan 26 2021(Updated: )

An out-of-bounds read was addressed with improved bounds checking. 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 LightMickey Jin & Junzhi Lu Trend Micro working with Trend MicroXingwei Lin Ant Security LightXingwei Lin Ant Security LightMickey Jin & Junzhi Lu Trend Micro working with Trend MicroXingwei Lin Ant Security LightXingwei Lin Ant Security LightMickey Jin & Junzhi Lu Trend Micro working with Trend MicroXingwei Lin Ant Security LightXingwei Lin Ant Security LightMickey Jin & Junzhi Lu Trend Micro working with Trend MicroXingwei Lin Ant Security Light product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iPadOS<14.4
Apple iPhone OS<14.4
Apple Mac OS X>=10.14<10.14.6
Apple Mac OS X>=10.15<10.15.7
Apple Mac OS X=10.14.6
Apple Mac OS X=10.14.6-security_update_2019-004
Apple Mac OS X=10.14.6-security_update_2019-005
Apple Mac OS X=10.14.6-security_update_2019-006
Apple Mac OS X=10.14.6-security_update_2019-007
Apple Mac OS X=10.14.6-security_update_2020-001
Apple Mac OS X=10.14.6-security_update_2020-002
Apple Mac OS X=10.14.6-security_update_2020-003
Apple Mac OS X=10.14.6-security_update_2020-004
Apple Mac OS X=10.14.6-security_update_2020-005
Apple Mac OS X=10.14.6-security_update_2020-006
Apple Mac OS X=10.14.6-security_update_2020-007
Apple Mac OS X=10.14.6-supplemental_update
Apple Mac OS X=10.14.6-supplemental_update_2
Apple Mac OS X=10.15.7
Apple Mac OS X=10.15.7-security_update_2020-005
Apple Mac OS X=10.15.7-security_update_2020-007
Apple Mac OS X=10.15.7-supplemental_update
Apple macOS>=11.0<11.1.0
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-2021-1743?

    CVE-2021-1743 is a vulnerability in macOS Big Sur, Catalina, Mojave, watchOS, iOS, iPadOS, and tvOS that allows for an out-of-bounds read.

  • What is the severity of CVE-2021-1743?

    The severity of CVE-2021-1743 is not provided in the information available.

  • How does CVE-2021-1743 affect Apple macOS Big Sur?

    CVE-2021-1743 affects Apple macOS Big Sur up to version 11.2, and it has been addressed with improved bounds checking.

  • How can I fix CVE-2021-1743 on Apple devices?

    To fix CVE-2021-1743, make sure to update your Apple devices to the recommended versions provided by Apple.

  • Where can I find more information about CVE-2021-1743?

    You can find more information about CVE-2021-1743 on the Apple support website: [Apple Support](https://support.apple.com/en-us/HT212149)

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