high
7.5
CWE
20
Advisory Published
CVE Published
Updated

CVE-2018-4142: Input Validation

First published: Thu Mar 29 2018(Updated: )

An issue was discovered in certain Apple products. iOS before 11.3 is affected. macOS before 10.13.4 is affected. tvOS before 11.3 is affected. watchOS before 4.3 is affected. The issue involves the "CoreText" component. It allows remote attackers to cause a denial of service (application crash) via a crafted string.

Credit: Robin Leroy Google Switzerland GmbHRobin Leroy Google Switzerland GmbHRobin Leroy Google Switzerland GmbHRobin Leroy Google Switzerland GmbH product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple tvOS<11.3
11.3
Apple iOS<11.3
11.3
Apple iPhone OS<11.3
Apple Mac OS X<10.13.4
Apple tvOS<11.3
Apple watchOS<4.3
Apple watchOS<4.3
4.3
Apple macOS High Sierra<10.13.4
10.13.4
Apple Sierra
Apple El Capitan

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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-2018-4142?

    CVE-2018-4142 is a denial of service vulnerability in CoreText component of certain Apple products.

  • Which Apple products are affected by CVE-2018-4142?

    iOS before 11.3, macOS before 10.13.4, tvOS before 11.3, and watchOS before 4.3 are affected by CVE-2018-4142.

  • How does CVE-2018-4142 impact the affected products?

    CVE-2018-4142 allows remote attackers to cause a denial of service by crashing the application.

  • What is the severity level of CVE-2018-4142?

    CVE-2018-4142 has a severity rating of high (7.5).

  • How can I fix CVE-2018-4142?

    To fix CVE-2018-4142, update your Apple product to the latest version available (iOS 11.3 or later, macOS 10.13.4 or later, tvOS 11.3 or later, watchOS 4.3 or later).

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