high
7.1
CWE
665
Advisory Published
CVE Published
Updated

CVE-2019-8540

First published: Mon Mar 25 2019(Updated: )

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A malicious application may be able to determine kernel memory layout.

Credit: Weibo Wang @ma1fan Qihoo 360 Nirvan TeamWeibo Wang @ma1fan Qihoo 360 Nirvan TeamWeibo Wang @ma1fan Qihoo 360 Nirvan TeamWeibo Wang @ma1fan Qihoo 360 Nirvan Team product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iPhone OS<12.2
Apple Mac OS X<10.14.4
Apple tvOS<12.2
Apple watchOS<5.2
Apple macOS Mojave<10.14.4
10.14.4
Apple High Sierra
Apple Sierra
Apple tvOS<12.2
12.2
Apple iOS<12.2
12.2
Apple watchOS<5.2
5.2

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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-2019-8540?

    CVE-2019-8540 is a vulnerability in the Kernel that was addressed with improved memory handling.

  • What is the affected software for CVE-2019-8540?

    The affected software for CVE-2019-8540 includes macOS Mojave 10.14.4 (and earlier), High Sierra, and Sierra.

  • How can I fix the CVE-2019-8540 vulnerability?

    To fix the CVE-2019-8540 vulnerability, it is recommended to update your operating system to the latest version provided by Apple.

  • Where can I find more information about CVE-2019-8540?

    You can find more information about CVE-2019-8540 on the official Apple security page: https://support.apple.com/en-us/HT209600

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