high
7.8
Advisory Published
CVE Published
Updated

CVE-2021-1783

First published: Tue Jan 26 2021(Updated: )

An access issue was addressed with improved memory management. 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 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
Apple watchOS<7.3
7.3
Apple tvOS<14.4
14.4
Apple iOS<14.4
14.4
Apple iPadOS<14.4
14.4
Apple macOS Big Sur<11.2
11.2
Apple Catalina
Apple Mojave

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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-2021-1783?

    CVE-2021-1783 is an access issue in ImageIO that was addressed with improved memory management.

  • Who is affected by CVE-2021-1783?

    CVE-2021-1783 affects users of Apple macOS Big Sur 11.2, Catalina, Mojave, watchOS 7.3, iOS 14.4, iPadOS 14.4, and tvOS 14.4.

  • What is the remedy for CVE-2021-1783?

    The remedy for CVE-2021-1783 is to update your software to the specified versions: macOS Big Sur 11.2, watchOS 7.3, iOS 14.4, iPadOS 14.4, and tvOS 14.4.

  • Where can I find more information about CVE-2021-1783?

    You can find more information about CVE-2021-1783 on the official Apple support page. Here are the references: [support.apple.com/en-us/HT212149](https://support.apple.com/en-us/HT212149), [support.apple.com/en-us/HT212147](https://support.apple.com/en-us/HT212147), [support.apple.com/en-us/HT212148](https://support.apple.com/en-us/HT212148).

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