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: Xingwei Lin Ant Security LightJeonghoon Shin @singi21a THEORIMickey Jin & Qi Sun Trend Micro working with Trend Micro product-security@apple.com

Affected SoftwareAffected VersionHow to fix
tvOS<14.4
14.4
Apple macOS<11.2
11.2
macOS Catalina
macOS Mojave
Apple iOS, iPadOS, and watchOS<14.4
iOS<14.4
Apple iOS and macOS>=10.14<10.14.6
Apple iOS and macOS>=10.15<10.15.7
Apple iOS and macOS=10.14.6
Apple iOS and macOS=10.14.6-security_update_2019-004
Apple iOS and macOS=10.14.6-security_update_2019-005
Apple iOS and macOS=10.14.6-security_update_2019-006
Apple iOS and macOS=10.14.6-security_update_2019-007
Apple iOS and macOS=10.14.6-security_update_2020-001
Apple iOS and macOS=10.14.6-security_update_2020-002
Apple iOS and macOS=10.14.6-security_update_2020-003
Apple iOS and macOS=10.14.6-security_update_2020-004
Apple iOS and macOS=10.14.6-security_update_2020-005
Apple iOS and macOS=10.14.6-security_update_2020-006
Apple iOS and macOS=10.14.6-security_update_2020-007
Apple iOS and macOS=10.14.6-supplemental_update
Apple iOS and macOS=10.14.6-supplemental_update_2
Apple iOS and macOS=10.15.7
Apple iOS and macOS=10.15.7-supplemental_update
Apple iOS and macOS>=11.0<11.2
tvOS<14.4
Apple iOS, iPadOS, and watchOS<7.3
Apple iOS, iPadOS, and watchOS<14.4
14.4
Apple iOS, iPadOS, and watchOS<14.4
14.4
Apple iOS, iPadOS, and watchOS<7.3
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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