CVE-2019-6238: Input Validation

Published Mar 25, 2019
·
Updated

A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra. Processing a maliciously crafted package may lead to arbitrary code execution.

Other sources

xar. A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks.

Credit

Yiğit Can YILMAZ@@yilmazcanyigit

Affected Software

4 affected componentsFixes available
Apple macOS Mojave<10.14.4
10.14.4
Apple High Sierra
Apple Sierra
Apple iOS and macOS<10.14.4

Event History

Oct 27, 2020
CVE Published
via MITRE·07:22 PM
Data Sourced
via MITRE·07:22 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-2019-6238?

CVE-2019-6238 is a vulnerability that existed in the handling of symlinks in macOS Mojave and earlier versions.

2

What is the severity of CVE-2019-6238?

The severity of CVE-2019-6238 is high with a CVSS score of 7.8.

3

How does CVE-2019-6238 affect macOS Mojave?

CVE-2019-6238 affects macOS Mojave version 10.14.4 and earlier versions.

4

How can I fix CVE-2019-6238?

CVE-2019-6238 is fixed in macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, and Security Update 2019-002 Sierra. Update your operating system to the latest version to mitigate the vulnerability.

5

Is there any additional information about CVE-2019-6238?

You can find more information about CVE-2019-6238 on the Apple support website: https://support.apple.com/en-us/HT209600

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