medium
5.5
CWE
665
Advisory Published
CVE Published
Updated

CVE-2020-3872

First published: Tue Jan 28 2020(Updated: )

A memory initialization 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 read restricted memory.

Credit: Haakon Garseg Mørk CogniteCim Stordal CogniteHaakon Garseg Mørk CogniteCim Stordal CogniteHaakon Garseg Mørk CogniteCim Stordal CogniteHaakon Garseg Mørk CogniteCim Stordal Cognite 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-2020-3872?

    CVE-2020-3872 is a vulnerability in the kernel that relates to a memory initialization issue.

  • How does CVE-2020-3872 affect Apple watchOS?

    CVE-2020-3872 affects Apple watchOS versions up to, but not including, 6.1.2.

  • How does CVE-2020-3872 affect Apple tvOS?

    CVE-2020-3872 affects Apple tvOS versions up to, but not including, 13.3.1.

  • How does CVE-2020-3872 affect Apple iOS?

    CVE-2020-3872 affects Apple iOS versions up to, but not including, 13.3.1.

  • How does CVE-2020-3872 affect Apple iPadOS?

    CVE-2020-3872 affects Apple iPadOS versions up to, but not including, 13.3.1.

  • How does CVE-2020-3872 affect Apple macOS Catalina?

    CVE-2020-3872 affects Apple macOS Catalina versions up to, but not including, 10.15.3.

  • How does CVE-2020-3872 affect Apple Mojave?

    The impact of CVE-2020-3872 on Apple Mojave is currently unknown.

  • How does CVE-2020-3872 affect Apple High Sierra?

    The impact of CVE-2020-3872 on Apple High Sierra is currently unknown.

  • How can I fix CVE-2020-3872?

    To fix CVE-2020-3872, you should update your Apple device to the latest version of watchOS, tvOS, iOS, iPadOS, or macOS Catalina, depending on the affected operating system.

  • Where can I find more information about CVE-2020-3872?

    You can find more information about CVE-2020-3872 on the Apple support website.

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