high
7.8
Advisory Published
CVE Published
Updated

CVE-2021-1742

First published: Tue Jan 26 2021(Updated: )

ImageIO. This issue was addressed with improved checks.

Credit: Mickey Jin & Qi Sun Trend Micro working with Trend MicroXingwei Lin Ant Security LightXingwei Lin Ant Security LightMickey Jin & Qi Sun Trend Micro working with Trend Micro Jeonghoon Shin @singi21a THEORIXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightJeonghoon Shin @singi21a THEORIMickey Jin & Qi Sun Trend Micro working with Trend MicroXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightJeonghoon Shin @singi21a THEORIMickey Jin & Qi Sun Trend Micro working with Trend MicroXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightJeonghoon Shin @singi21a THEORIMickey Jin & Qi Sun Trend Micro working with Trend MicroXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei 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_2019-001
Apple Mac OS X=10.14.6-security_update_2019-002
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_2020-001
Apple Mac OS X=10.15.7-supplemental_update
Apple macOS>=11.0<11.1.0
Apple tvOS<14.4
Apple watchOS<7.3

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2021-1742?

    CVE-2021-1742 is a vulnerability in ImageIO that has been addressed with improved checks.

  • Which operating systems are affected by CVE-2021-1742?

    CVE-2021-1742 affects macOS Big Sur 11.2, Catalina, Mojave, watchOS up to 7.3, iOS up to 14.4, iPadOS up to 14.4, and tvOS up to 14.4.

  • How can I fix CVE-2021-1742?

    To fix CVE-2021-1742, make sure you have the latest security updates and patches installed for your operating system.

  • Where can I find more information about CVE-2021-1742?

    You can find more information about CVE-2021-1742 on the Apple support website.

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