high
7.8
CWE
20 119
Advisory Published
CVE Published
Updated

CVE-2018-4394: Input Validation

First published: Tue Oct 30 2018(Updated: )

ICU. A memory corruption issue was addressed with improved input validation.

Credit: Erik Verbruggen The Qt CompanyErik Verbruggen The Qt CompanyErik Verbruggen The Qt CompanyErik Verbruggen The Qt CompanyErik Verbruggen The Qt Company product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iTunes for Windows<12.9.1
12.9.1
Apple iPhone OS<12.1
Apple Mac OS X<10.14.1
Apple tvOS<12.1
Apple watchOS<5.1
Apple iTunes<12.9.1
Microsoft Windows
Apple watchOS<5.1
5.1
Apple iOS<12.1
12.1
Apple tvOS<12.1
12.1
Apple macOS Mojave<10.14.1
10.14.1
Apple High Sierra
Apple Sierra

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2018-4394?

    CVE-2018-4394 is a memory corruption vulnerability in ICU that was fixed with improved input validation.

  • Which versions are affected by CVE-2018-4394?

    Versions prior to iOS 12.1, macOS Mojave 10.14.1, tvOS 12.1, watchOS 5.1, iTunes 12.9.1 are affected by CVE-2018-4394.

  • How severe is CVE-2018-4394?

    CVE-2018-4394 has a severity rating of 7.8 (high).

  • How do I fix CVE-2018-4394?

    To fix CVE-2018-4394, update to iOS 12.1, macOS Mojave 10.14.1, tvOS 12.1, watchOS 5.1, or iTunes 12.9.1, depending on the affected software.

  • Where can I find more information about CVE-2018-4394?

    You can find more information about CVE-2018-4394 on the Apple support page: [link](https://support.apple.com/en-us/HT209193).

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