critical
9.3
CWE
787
Advisory Published
CVE Published
Updated

CVE-2020-3842

First published: Tue Jan 28 2020(Updated: )

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2. An application may be able to execute arbitrary code with kernel privileges.

Credit: Ned Williamson Google Project ZeroXiaolong Bai Min (Spark) Zheng Alibaba IncLuyi Xing Indiana University BloomingtonNed Williamson Google Project ZeroCorellium Ned Williamson Google Project ZeroNed Williamson Google Project Zero product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple tvOS<13.3.1
13.3.1
Apple iOS<13.3.1
13.3.1
Apple iPadOS<13.3.1
13.3.1
Apple macOS Catalina<10.15.3
10.15.3
Apple Mojave
Apple High Sierra
Apple watchOS<6.1.2
6.1.2
Apple iPadOS<13.3.1
Apple iPhone OS<13.3.1
Apple Mac OS X<10.15.3
Apple tvOS<13.3.1
Apple watchOS<6.1.2

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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-2020-3842?

    CVE-2020-3842 is a memory corruption issue in the Kernel that was addressed with improved memory handling.

  • Which software is affected by CVE-2020-3842?

    CVE-2020-3842 affects multiple software products, including Apple watchOS, tvOS, iOS, iPadOS, macOS Catalina, Mojave, and High Sierra.

  • What is the severity of CVE-2020-3842?

    The severity of CVE-2020-3842 is not specified in the information provided.

  • How can I fix CVE-2020-3842?

    To fix CVE-2020-3842, you should update your affected software products to the versions specified in the vendor's official remediation document.

  • Where can I find more information about CVE-2020-3842?

    You can find more information about CVE-2020-3842 in the official Apple support documents: [link1], [link2], [link3].

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