CVE-2019-8521: Medium severity macos mojave vulnerability

Published Mar 25, 2019
·
Updated

Feedback Assistant. This issue was addressed with improved checks.

Other sources

This issue was addressed with improved checks. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4. A malicious application may be able to overwrite arbitrary files.

Credit

CodeColorist(Ant)

Affected Software

6 affected componentsFixes available
Apple macOS Mojave<10.14.4
10.14.4
Apple High Sierra
Apple Sierra
Apple iOS<12.2
12.2
Apple iPhone OS<12.2
Apple iOS and macOS<10.14.4

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.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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-2019-8521?

CVE-2019-8521 is a vulnerability that allows a malicious application to overwrite arbitrary files on iOS 12.2 and macOS Mojave 10.14.4.

2

What is the severity of CVE-2019-8521?

CVE-2019-8521 has a severity rating of 5.5, which is considered medium.

3

How can I fix CVE-2019-8521?

To fix CVE-2019-8521, update your iOS device to version 12.2 or higher and update your macOS device to Mojave 10.14.4 or higher.

4

Where can I find more information about CVE-2019-8521?

You can find more information about CVE-2019-8521 on Apple's support website: [link](https://support.apple.com/en-us/HT209599)

5

Is Apple High Sierra affected by CVE-2019-8521?

No, Apple High Sierra is not affected by CVE-2019-8521.

Company

Resources

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