7.8
CWE
119
Advisory Published
CVE Published
Updated

CVE-2018-4211: Buffer Overflow

First published: Fri Jun 01 2018(Updated: )

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

Credit: Proteas Qihoo 360 Nirvan Team product-security@apple.com

Affected SoftwareAffected VersionHow to fix
macOS High Sierra<10.13.5
10.13.5
macOS High Sierra
Apple El Capitan
Apple TV<11.4
iPhone OS<11.4
Apple iOS and macOS<10.13.5
Apple iOS, iPadOS, and watchOS<4.3.1

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2018-4211?

    CVE-2018-4211 is a memory corruption issue in certain Apple products, allowing remote attackers to execute arbitrary code or cause a denial of service.

  • Which Apple products are affected by CVE-2018-4211?

    iOS before 11.4, macOS before 10.13.5, tvOS before 11.4, and watchOS before 4.3.1 are affected by CVE-2018-4211.

  • What is the severity of CVE-2018-4211?

    CVE-2018-4211 has a severity rating of 7.8 (high).

  • How can I fix CVE-2018-4211?

    To fix CVE-2018-4211, update your Apple devices to the latest available software versions as recommended by Apple.

  • Where can I find more information about CVE-2018-4211?

    You can find more information about CVE-2018-4211 on the following links: [Security Tracker](http://www.securitytracker.com/id/1041027), [Apple Support](https://support.apple.com/HT208848), [Apple Support](https://support.apple.com/HT208849).

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