CVE-2019-8591: High severity tvos vulnerability

Published May 13, 2019
·
Updated

A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1. An application may be able to cause unexpected system termination or write kernel memory.

Other sources

Kernel. A type confusion issue was addressed with improved memory handling.

Credit

Ned Williamson(Google Project Zero)

Affected Software

10 affected componentsFixes available
Apple tvOS<12.3
12.3
Apple macOS Mojave<10.14.5
10.14.5
Apple High Sierra
Apple Sierra
Apple WatchOS<5.2.1
5.2.1
Apple iOS<12.3
12.3
Apple iPhone OS<12.3
Apple iOS and macOS<10.14.5
Apple tvOS<12.3
Apple WatchOS<5.2.1

Event History

Dec 18, 2019
CVE Published
via MITRE·05:33 PM
Data Sourced
via MITRE·05:33 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2019-8591?

CVE-2019-8591 is a type confusion vulnerability that was fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, and watchOS 5.2.1.

2

How does CVE-2019-8591 affect Apple devices?

CVE-2019-8591 can allow an application to cause unexpected system termination or write kernel memory on affected Apple devices.

3

What is the severity of CVE-2019-8591?

The severity of CVE-2019-8591 is high, with a CVSS score of 7.1.

4

How do I fix CVE-2019-8591?

To fix CVE-2019-8591, you need to update your Apple devices to the latest versions of iOS, macOS Mojave, tvOS, or watchOS, depending on the affected device.

5

Where can I find more information about CVE-2019-8591?

You can find more information about CVE-2019-8591 on the Apple support website.

Contact

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