CVE-2018-4191: Buffer Overflow

Published Sep 12, 2018
·
Updated

A memory corruption issue was addressed with improved validation. This issue affected versions prior to iOS 12, tvOS 12, watchOS 5, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.

Other sources

WebKit. A memory corruption issue was addressed with improved validation.

Credit

found by OSS-Fuzz

Affected Software

31 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 WatchOS<5
5
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
Apple WatchOS<5.0
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·11:04 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-2018-4191?

CVE-2018-4191 is a memory corruption issue in WebKit that has been addressed with improved validation.

2

Which software versions are affected by CVE-2018-4191?

Versions prior to iOS 12, tvOS 12, watchOS 5, Safari 12, iTunes 12.9 for Windows, and iCloud for Windows 7.7 are affected by CVE-2018-4191.

3

What is the severity of CVE-2018-4191?

CVE-2018-4191 has a severity rating of 8.8 (High).

4

How can I fix CVE-2018-4191?

To fix CVE-2018-4191, update to the latest version of iOS, tvOS, watchOS, Safari, iTunes, and iCloud for Windows as recommended by Apple.

5

Where can I find more information about CVE-2018-4191?

You can find more information about CVE-2018-4191 on the Apple support website.

Company

Resources

Contact

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CVE-2018-4191 - Buffer Overflow - SecAlerts