CVE-2019-8662: Use After Free

Published Jul 22, 2019
·
Updated

Quick Look. This issue was addressed with improved checks.

Other sources

This issue was addressed with improved checks. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3. An attacker may be able to trigger a use-after-free in an application deserializing an untrusted NSDictionary.

Credit

natashenka, Samuel Groß(Google Project Zero), Natalie Silvanovich

Affected Software

10 affected componentsFixes available
Apple tvOS<12.4
12.4
Apple macOS Mojave<10.14.6
10.14.6
Apple High Sierra
Apple Sierra
Apple WatchOS<5.3
5.3
Apple iOS<12.4
12.4
Apple iPhone OS<12.4
Apple iOS and macOS<10.14.6
Apple tvOS<12.4
Apple WatchOS<5.3

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-2019-8662?

CVE-2019-8662 is a vulnerability that allows an attacker to trigger a use-after-free in an application deserializing an untrusted NSDictionary.

2

How was CVE-2019-8662 addressed?

CVE-2019-8662 was addressed with improved checks in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, and watchOS 5.3.

3

What is the severity of CVE-2019-8662?

CVE-2019-8662 has a severity rating of 9.8 out of 10 (Critical).

4

Which Apple products are affected by CVE-2019-8662?

iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, and watchOS 5.3 are affected by CVE-2019-8662.

5

How can I fix CVE-2019-8662?

To fix CVE-2019-8662, update your device to iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, or watchOS 5.3.

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