CVE-2018-4312: Use After Free

Published Sep 12, 2018
·
Updated

A use after free issue was addressed with improved memory management. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.

Other sources

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

Credit

Ivan Fratric(Google Project Zero)

Affected Software

29 affected componentsFixes available
ubuntu/webkit2gtk<2.22.2-0ubuntu0.18.04.1
2.22.2-0ubuntu0.18.04.1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.0
2.22.0
debian/webkit2gtk
2.44.2-1~deb11u12.44.2-1~deb12u12.44.2-1
Apple tvOS<12
12
apple iCloud for Windows<7.7
7.7
apple iTunes for Windows<12.9
12.9
Apple Safari<12
12
Apple iOS<12
12
Apple Safari<12
Apple iPhone OS<12.0
Apple tvOS<12
All of the following
Any of the following
Apple iCloud<7.7
Apple iTunes<12.9
Microsoft Windows
Apple iCloud<7.7
Apple iTunes<12.9
Microsoft Windows

Event History

Sep 28, 2018
CVE Published
via Ubuntu·12:00 AM
Apr 3, 2019
CVE Published
via MITRE·05:43 PM
Data Sourced
via MITRE·05:43 PM
DescriptionWeakness
Jan 11, 2024
Data Sourced
via Launchpad·11:05 PM
Description

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-2018-4312?

CVE-2018-4312 is a use after free vulnerability in WebKit that has been fixed with improved memory management.

2

Which software versions are affected by CVE-2018-4312?

Versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, and iCloud for Windows 7.7 are affected by CVE-2018-4312.

3

What is the severity of CVE-2018-4312?

CVE-2018-4312 has a severity rating of 8.8 (high).

4

How do I fix CVE-2018-4312?

To fix CVE-2018-4312, update to the latest version of iOS, tvOS, Safari, iTunes for Windows, or iCloud for Windows, as provided by the vendors.

5

Where can I find more information about CVE-2018-4312?

More information about CVE-2018-4312 can be found at the following references: [Link 1](https://support.apple.com/kb/HT209106), [Link 2](https://support.apple.com/kb/HT209107), [Link 3](https://support.apple.com/kb/HT209109).

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