high
7.8
Advisory Published
CVE Published
Updated

CVE-2021-1843

First published: Mon Apr 26 2021(Updated: )

ImageIO. This issue was addressed with improved checks.

Credit: Ye Zhang Baidu SecurityYe Zhang Baidu SecurityYe Zhang Baidu SecurityYe Zhang Baidu SecurityXingwei Lin Ant Security LightYe Zhang Baidu SecurityYe Zhang Baidu SecurityMickey Jin & Qi Sun Trend Micro Ant Security LightXingwei Lin Ant Security LightYe Zhang Baidu SecurityXingwei Lin Ant Security LightYe Zhang Baidu SecurityYe Zhang Baidu SecurityMickey Jin & Qi Sun Trend Micro Xingwei Lin Ant Security LightYe Zhang Baidu SecurityYe Zhang Baidu SecurityYe Zhang Baidu Security product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iOS<14.5
14.5
Apple iPadOS<14.5
14.5
<7.4
7.4
Apple Catalina
Apple Mojave
Apple iPadOS<14.5
Apple iPhone OS<14.5
Apple Mac OS X=10.14
Apple Mac OS X=10.14.0
Apple Mac OS X=10.14.1
Apple Mac OS X=10.14.2
Apple Mac OS X=10.14.3
Apple Mac OS X=10.14.4
Apple Mac OS X=10.14.4-beta4
Apple Mac OS X=10.14.5
Apple Mac OS X=10.14.6
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_2019-004
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-security_update_2021-001
Apple Mac OS X=10.14.6-security_update_2021-002
Apple Mac OS X=10.15
Apple Mac OS X=10.15.1
Apple Mac OS X=10.15.2
Apple Mac OS X=10.15.3
Apple Mac OS X=10.15.4
Apple Mac OS X=10.15.5
Apple Mac OS X=10.15.6
Apple Mac OS X=10.15.6
Apple Mac OS X=10.15.6-supplemental_update
Apple Mac OS X=10.15.7
Apple Mac OS X=10.15.7
Apple Mac OS X=10.15.7-security_update_2020
Apple Mac OS X=10.15.7-security_update_2020-001
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-security_update_2021-001
Apple macOS>=11.0<11.3
Apple tvOS<14.5
Apple watchOS<7.4

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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-2021-1843?

    CVE-2021-1843 is a vulnerability in ImageIO in Apple iOS, iPadOS, watchOS, macOS Big Sur, tvOS, Catalina, and Mojave.

  • What is the severity of CVE-2021-1843?

    The severity of CVE-2021-1843 is not specified in the provided information.

  • How does CVE-2021-1843 affect Apple devices?

    CVE-2021-1843 affects Apple devices running iOS, iPadOS, watchOS, macOS Big Sur, tvOS, Catalina, and Mojave.

  • Is there a fix available for CVE-2021-1843?

    Yes, Apple has addressed CVE-2021-1843 with improved checks. It is recommended to update your affected Apple devices to the specified versions provided by Apple.

  • Where can I find more information about CVE-2021-1843?

    You can find more information about CVE-2021-1843 on Apple's support page: [link](https://support.apple.com/en-us/HT212326)

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