CVE-2020-9981: Use After Free

Published Sep 16, 2020
·
Updated

A use after free issue was addressed with improved memory management. This issue is fixed in watchOS 7.0, iOS 14.0 and iPadOS 14.0, iTunes for Windows 12.10.9, iCloud for Windows 11.5, tvOS 14.0, macOS Catalina 10.15.7, Security Update 2020-005 High Sierra, Security Update 2020-005 Mojave. Processing a maliciously crafted file may lead to arbitrary code execution.

Other sources

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

Credit

found by OSS-Fuzz

Affected Software

16 affected componentsFixes available
Apple tvOS<14.0
14.0
Apple macOS Catalina<10.15.7
10.15.7
Apple High Sierra
Apple Mojave
Apple WatchOS<7.0
7.0
Apple iCloud for Windows<11.5
11.5
Apple iTunes for Windows<12.10.9
12.10.9
Apple iOS<14.0
14.0
Apple iPadOS<14.0
14.0
Apple Icloud Windows<11.5
Apple Itunes Windows<12.10.9
Apple iPadOS<14.0
Apple iPhone OS<14.0
Apple iOS and macOS<10.15.7
Apple tvOS<14.0
Apple WatchOS<7.0

Event History

Dec 8, 2020
CVE Published
via MITRE·07:28 PM
Data Sourced
via MITRE·07:28 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 the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2020-9981.

2

What is the title of this vulnerability?

The title of this vulnerability is 'libxml2. A use after free issue was addressed with improved memory management.'

3

What software versions are affected by this vulnerability?

The following software versions are affected by this vulnerability: Apple tvOS up to version 14.0, Apple iOS up to version 14.0, Apple iPadOS up to version 14.0, Apple watchOS up to version 7.0, Apple macOS Catalina up to version 10.15.7, Apple High Sierra, Apple Mojave, Apple iTunes for Windows up to version 12.10.9, Apple iCloud for Windows up to version 11.5.

4

What is the severity of this vulnerability?

The severity level of this vulnerability is not specified.

5

How can I fix this vulnerability?

To fix this vulnerability, it is recommended to update the affected software versions to the latest available versions provided by Apple.

Company

Resources

Contact

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CVE-2020-9981 - Use After Free - SecAlerts