CVE-2020-27906: Input Validation

Published Nov 12, 2020
·
Updated

Bluetooth. Multiple integer overflows were addressed with improved input validation.

Other sources

Multiple integer overflows were addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1. A remote attacker may be able to cause unexpected application termination or heap corruption.

Credit

Zuozhi Fan@@pattern_F_(Ant Group Tianqiong Security Lab)

Affected Software

5 affected componentsFixes available
Apple macOS Big Sur<11.0.1
11.0.1
Apple macOS Big Sur<11.1
11.1
Apple Catalina
macOS Mojave
macOS<11.0.1

Event History

Dec 8, 2020
CVE Published
via MITRE·08:08 PM
Data Sourced
via MITRE·08:08 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-2020-27906?

CVE-2020-27906 is a vulnerability in the Bluetooth protocol that allows for multiple integer overflows.

2

What is the severity of CVE-2020-27906?

The severity of CVE-2020-27906 is not specified in the provided information.

3

Which software versions are affected by CVE-2020-27906?

CVE-2020-27906 affects macOS Big Sur versions up to but excluding 11.1, Apple Catalina, and Apple Mojave.

4

How do I fix CVE-2020-27906?

To fix CVE-2020-27906, ensure that you have applied the necessary updates provided by Apple for your specific operating system version.

5

Where can I find more information about CVE-2020-27906?

More information about CVE-2020-27906 can be found in the references provided: https://support.apple.com/en-us/HT212011, https://support.apple.com/en-us/HT211931

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