CVE-2020-9926: Use After Free

Published Jul 15, 2020
·
Updated

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

Other sources

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6.2.8, iCloud for Windows 7.20, macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra. Processing maliciously crafted XML may lead to an unexpected application termination or arbitrary code execution.

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

Affected Software

43 affected componentsFixes available
Apple tvOS<13.4.8
13.4.8
Apple macOS Catalina<10.15.6
10.15.6
Apple Mojave
Apple High Sierra
Apple WatchOS<6.2.8
6.2.8
Apple iCloud for Windows<11.3
11.3
Apple iCloud for Windows<7.20
7.20
Apple iTunes for Windows<12.10.8
12.10.8
Apple iOS<13.6
13.6
Apple iPadOS<13.6
13.6
Apple Icloud Windows<7.20
Apple iPadOS<13.6
Apple iPhone OS<13.6
Apple iOS and macOS<10.13.6
Apple iOS and macOS>=10.14<10.14.6
Apple iOS and macOS>=10.15<10.15.6
Apple iOS and macOS=10.13.6
Apple iOS and macOS=10.13.6-security_update_2018-002
Apple iOS and macOS=10.13.6-security_update_2018-003
Apple iOS and macOS=10.13.6-security_update_2019-001
Apple iOS and macOS=10.13.6-security_update_2019-002
Apple iOS and macOS=10.13.6-security_update_2019-003
Apple iOS and macOS=10.13.6-security_update_2019-004
Apple iOS and macOS=10.13.6-security_update_2019-005
Apple iOS and macOS=10.13.6-security_update_2019-006
Apple iOS and macOS=10.13.6-security_update_2019-007
Apple iOS and macOS=10.13.6-security_update_2020-001
Apple iOS and macOS=10.13.6-security_update_2020-002
Apple iOS and macOS=10.13.6-security_update_2020-003
Apple iOS and macOS=10.13.6-supplemental_update
Apple iOS and macOS=10.14.6
Apple iOS and macOS=10.14.6-security_update_2019-001
Apple iOS and macOS=10.14.6-security_update_2019-002
Apple iOS and macOS=10.14.6-security_update_2020-001
Apple iOS and macOS=10.14.6-security_update_2020-002
Apple iOS and macOS=10.14.6-security_update_2020-003
Apple iOS and macOS=10.14.6-security_update_2020-004
Apple iOS and macOS=10.14.6-security_update_2020-005
Apple iOS and macOS=10.14.6-security_update_2020-006
Apple iOS and macOS=10.14.6-supplemental_update
Apple iOS and macOS=10.14.6-supplemental_update_2
Apple tvOS<13.4.8
Apple WatchOS<6.2.8

Event History

Apr 2, 2021
CVE Published
via MITRE·05:23 PM
Data Sourced
via MITRE·05:23 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?

The vulnerability ID is CVE-2020-9926.

2

What is the title of the vulnerability?

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

3

What is the affected software?

The affected software includes Apple macOS Catalina 10.15.6, Apple Mojave, Apple High Sierra, Apple iOS up to version 13.6, Apple iPadOS up to version 13.6, Apple watchOS up to version 6.2.8, Apple iCloud for Windows up to version 11.3, Apple tvOS up to version 13.4.8, and Apple iTunes for Windows up to version 12.10.8.

4

How can I fix the vulnerability?

To fix the vulnerability, update the affected software to the latest version provided by Apple.

5

Where can I find more information about the vulnerability?

You can find more information about the vulnerability on the Apple support page: [link](https://support.apple.com/en-us/HT211289).

Company

Resources

Contact

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