7.8
CWE
416
Advisory Published
CVE Published
Updated

CVE-2020-9996: Use After Free

First published: Wed Sep 16 2020(Updated: )

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.0 and iPadOS 14.0. A malicious application may be able to elevate privileges.

Credit: Zhiwei Yuan Trend Micro iCore TeamJunzhi Lu Mickey Jin Trend MicroZhiwei Yuan Trend Micro iCore TeamJunzhi Lu Mickey Jin Trend Micro product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iPadOS<14.0
Apple iPhone OS<14.0
Apple Mac OS X<11.0.1
Apple iOS<14.0
14.0
Apple iPadOS<14.0
14.0
Apple macOS Big Sur<11.0.1
11.0.1

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Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2020-9996?

    CVE-2020-9996 is a vulnerability in NetworkExtension that allows for a use after free issue, which has been addressed with improved memory management.

  • Which software versions are affected by CVE-2020-9996?

    CVE-2020-9996 affects Apple iOS up to version 14.0, Apple iPadOS up to version 14.0, and Apple macOS Big Sur up to version 11.0.1.

  • How severe is CVE-2020-9996?

    The severity of CVE-2020-9996 is not specified.

  • How can I fix CVE-2020-9996?

    To fix CVE-2020-9996, ensure you have installed the latest security updates and patches provided by Apple for the affected software versions.

  • Where can I find more information about CVE-2020-9996?

    You can find more information about CVE-2020-9996 on the official Apple support website: https://support.apple.com/en-us/HT211850

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