high
7.8
Advisory Published
CVE Published
Updated

CVE-2021-1774

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_2019-004
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-supplemental_update
Apple macOS>=11.0<11.2
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-2021-1774?

    CVE-2021-1774 is a vulnerability in ImageIO that was addressed with improved checks.

  • Which software versions are affected by CVE-2021-1774?

    macOS Big Sur version up to 11.2, Apple Catalina, Apple Mojave, Apple watchOS version up to 7.3, Apple iOS version up to 14.4, Apple iPadOS version up to 14.4, Apple tvOS version up to 14.4.

  • How can I fix CVE-2021-1774?

    Apply the remedy versions provided by Apple: macOS Big Sur 11.2, watchOS 7.3, iOS 14.4, iPadOS 14.4, tvOS 14.4.

  • Where can I find more information about CVE-2021-1774?

    You can find more information about CVE-2021-1774 on the official Apple support documents: [ImageIO](https://support.apple.com/en-us/HT212147), [macOS Big Sur](https://support.apple.com/en-us/HT212148), [watchOS](https://support.apple.com/en-us/HT212146).

  • How severe is CVE-2021-1774?

    The severity of CVE-2021-1774 is not mentioned in the provided information.

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