7.8
CWE
119
Advisory Published
CVE Published
Updated

CVE-2018-4326: Buffer Overflow

First published: Mon Sep 17 2018(Updated: )

mDNSOffloadUserClient. A memory corruption issue was addressed with improved memory handling.

Credit: an anonymous researcher Trend MicroZhuo Liang Qihoo 360 Nirvan Teaman anonymous researcher Trend MicroZhuo Liang Qihoo 360 Nirvan Teaman anonymous researcher Trend MicroZhuo Liang Qihoo 360 Nirvan Team product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iPhone OS<12.0
Apple Mac OS X<10.14
Apple macOS Mojave<10.14
10.14
Apple iOS<12
12
Apple macOS Mojave<10.14.1
10.14.1
Apple High Sierra
Apple Sierra

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Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2018-4326?

    CVE-2018-4326 is a vulnerability related to the mDNSOffloadUserClient in Apple devices.

  • How does CVE-2018-4326 affect Apple devices?

    CVE-2018-4326 affects versions prior to iOS 12 and macOS Mojave 10.14.

  • What is the severity of CVE-2018-4326?

    The severity of CVE-2018-4326 is high with a CVSS score of 7.8.

  • How can I fix CVE-2018-4326?

    To fix CVE-2018-4326, update your Apple device to iOS 12 or macOS Mojave 10.14 or later.

  • Where can I find more information about CVE-2018-4326?

    You can find more information about CVE-2018-4326 on the Apple support website.

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