high
7.8
CWE
119 120
Advisory Published
CVE Published
Updated

CVE-2020-9940: Buffer Overflow

First published: Wed Jul 15 2020(Updated: )

Model I/O. A buffer overflow issue was addressed with improved memory handling.

Credit: Holger Fuhrmannek Deutsche Telekom SecurityAleksandar Nikolic Cisco Talos product-security@apple.com

Affected SoftwareAffected VersionHow to fix
tvOS<13.4.8
13.4.8
macOS Catalina<10.15.6
10.15.6
macOS Mojave
macOS High Sierra
Apple iOS and iPadOS<13.6
13.6
Apple iOS, iPadOS, and macOS<13.6
13.6
Apple iOS, iPadOS, and macOS<13.6
iPhone OS<13.6
Apple iOS and macOS<10.15.6
tvOS<13.4.8

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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-2020-9940?

    CVE-2020-9940 is a buffer overflow issue in Model I/O that was addressed with improved memory handling.

  • What is the severity of CVE-2020-9940?

    The severity of CVE-2020-9940 is not provided in the information.

  • What software is affected by CVE-2020-9940?

    CVE-2020-9940 affects macOS Catalina (10.15.6), Mojave, High Sierra, iOS (up to version 13.6), iPadOS (up to version 13.6), and tvOS (up to version 13.4.8).

  • How do I fix CVE-2020-9940?

    To fix CVE-2020-9940, update to the specified versions of the affected software by following the instructions provided by Apple.

  • Where can I find more information about CVE-2020-9940?

    You can find more information about CVE-2020-9940 on the Apple support website. Here are some references: [Link 1](https://support.apple.com/en-us/HT211289), [Link 2](https://support.apple.com/en-us/HT211288), [Link 3](https://support.apple.com/en-us/HT211290).

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