CVE-2020-9996: Use After Free

Published 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.

Other sources

NetworkExtension. A use after free issue was addressed with improved memory management.

Credit

Zhiwei Yuan(Trend Micro iCore Team), Junzhi Lu, Mickey Jin(Trend Micro)

Affected Software

6 affected componentsFixes available
Apple macOS Big Sur<11.0.1
11.0.1
Apple iOS<14.0
14.0
Apple iPadOS<14.0
14.0
Apple iPadOS<14.0
Apple iPhone OS<14.0
Apple iOS and macOS<11.0.1

Event History

Dec 8, 2020
CVE Published
via MITRE·07:59 PM
Data Sourced
via MITRE·07:59 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

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.

2

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.

3

How severe is CVE-2020-9996?

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

4

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.

5

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

Company

Resources

Contact

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