CWE
119 20
Advisory Published
CVE Published
Updated

CVE-2018-4456: Buffer Overflow

First published: Mon Jul 09 2018(Updated: )

A memory corruption issue was addressed with improved input validation. This issue affected versions prior to macOS High Sierra 10.13.6, macOS Mojave 10.14.

Credit: Tyler Bohan Cisco TalosTyler Bohan Cisco TalosTyler Bohan Cisco TalosTyler Bohan Cisco TalosTyler Bohan Cisco Talos product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple Mac OS X<10.13.6
Apple macOS High Sierra<10.13.6
10.13.6
Apple Sierra
Apple El Capitan
Apple macOS Mojave<10.14
10.14
Apple macOS Mojave<10.14.2
10.14.2
Apple High Sierra
Apple macOS Mojave<10.14.5
10.14.5

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Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2018-4456?

    CVE-2018-4456 is a memory corruption issue in IOAcceleratorFamily on macOS High Sierra and macOS Mojave.

  • What is the severity of CVE-2018-4456?

    The severity of CVE-2018-4456 is critical with a CVSS score of 7.8.

  • Which versions of macOS are affected by CVE-2018-4456?

    Versions prior to macOS High Sierra 10.13.6 and macOS Mojave 10.14.5 are affected by CVE-2018-4456.

  • How can I fix CVE-2018-4456?

    Update your macOS to version 10.13.6 or higher for macOS High Sierra or 10.14.5 or higher for macOS Mojave.

  • Where can I find more information about CVE-2018-4456?

    You can find more information about CVE-2018-4456 in the references provided: http://seclists.org/fulldisclosure/2019/May/20, https://seclists.org/bugtraq/2019/May/27, and https://support.apple.com/kb/HT208937.

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