8.8
CWE
416
Advisory Published
CVE Published
Updated

CVE-2020-27920: Use After Free

First published: Thu Nov 05 2020(Updated: )

libxml2. A use after free issue was addressed with improved memory management.

Credit: found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple macOS Big Sur<11.1
11.1
Apple Catalina
Apple Mojave
Apple Mac OS X<11.0.1
Apple iPadOS<14.2
Apple iPhone OS<14.2
Apple Mac OS X<11.1.0
Apple tvOS<14.2
Apple watchOS<7.1

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Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2020-27920?

    CVE-2020-27920 is a use after free issue in libxml2 that has been addressed with improved memory management.

  • Which software products are affected by CVE-2020-27920?

    The affected software products include Apple iOS up to version 14.2, Apple iPadOS up to version 14.2, Apple tvOS up to version 14.2, Apple macOS Big Sur up to version 11.0.1, Apple watchOS up to version 7.1, Apple Catalina, and Apple Mojave.

  • How severe is CVE-2020-27920?

    The severity of CVE-2020-27920 is not mentioned in the provided information.

  • How can I fix CVE-2020-27920?

    To fix CVE-2020-27920, update your affected software products to the latest available versions as mentioned in the provided links from Apple support.

  • Where can I find more information about CVE-2020-27920?

    You can find more information about CVE-2020-27920 at the following references: [Link 1](https://support.apple.com/en-us/HT211929), [Link 2](https://support.apple.com/en-us/HT211930), [Link 3](https://support.apple.com/en-us/HT212011).

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