CVE-2019-8633: Input Validation

Published May 13, 2019
·
Updated

A validation issue was addressed with improved input sanitization. This issue is fixed in macOS Mojave 10.14.5, Security Update 2019-003 High Sierra, Security Update 2019-003 Sierra, iOS 12.3, tvOS 12.3, watchOS 5.3. An application may be able to read restricted memory.

Other sources

Kernel. A validation issue was addressed with improved input sanitization.

Credit

Zhuo Liang(Qihoo 360 Vulcan Team)

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<5.3
5.3
Apple iOS<12.3
12.3
Apple iPhone OS<12.3
Apple iOS and macOS>=10.13.6<10.14.5
Apple tvOS<12.3
Apple WatchOS<5.3

Event History

Oct 27, 2020
CVE Published
via MITRE·07:38 PM
Data Sourced
via MITRE·07:38 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2019-8633?

CVE-2019-8633 is a validation issue in the macOS Kernel that allows an application to read restricted memory.

2

What is the severity of CVE-2019-8633?

The severity of CVE-2019-8633 is high with a CVSS score of 7.5.

3

How can I fix CVE-2019-8633?

You can fix CVE-2019-8633 by installing the latest security updates: macOS Mojave 10.14.5, Security Update 2019-003 High Sierra, Security Update 2019-003 Sierra, iOS 12.3, tvOS 12.3, and watchOS 5.3.

4

Which products are affected by CVE-2019-8633?

macOS Mojave 10.14.5, High Sierra, Sierra, iOS 12.3, tvOS 12.3, watchOS 5.3, Apple iPhone OS (up to version 12.3), Apple Mac OS X (between versions 10.13.6 and 10.14.5), Apple tvOS (up to version 12.3), and Apple watchOS (up to version 5.3) are affected by CVE-2019-8633.

5

Where can I find more information about CVE-2019-8633?

You can find more information about CVE-2019-8633 on the following Apple support pages: [Link 1](https://support.apple.com/en-us/HT210119), [Link 2](https://support.apple.com/en-us/HT210118), [Link 3](https://support.apple.com/en-us/HT210120).

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203