high
7.1
CWE
125
Advisory Published
Updated

CVE-2021-30879

First published: Tue Aug 24 2021(Updated: )

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. Processing a maliciously crafted AppleScript binary may result in unexpected application termination or disclosure of process memory.

Credit: Jeremy Brown hjy79425575 Jeremy Brown hjy79425575 Jeremy Brown Jeremy Brown Jeremy Brown hjy79425575 Jeremy Brown hjy79425575 Jeremy Brown Jeremy Brown cve@mitre.org Jeremy Brown hjy79425575 Jeremy Brown hjy79425575 Jeremy Brown Jeremy Brown

Affected SoftwareAffected VersionHow to fix
Apple Mac OS X>=10.15<=10.15.6
Apple Mac OS X=10.15.7
Apple Mac OS X=10.15.7-security_update_2020
Apple Mac OS X=10.15.7-security_update_2020-001
Apple Mac OS X=10.15.7-security_update_2020-005
Apple Mac OS X=10.15.7-security_update_2020-007
Apple Mac OS X=10.15.7-security_update_2021-001
Apple Mac OS X=10.15.7-security_update_2021-002
Apple Mac OS X=10.15.7-security_update_2021-003
Apple Mac OS X=10.15.7-security_update_2021-004
Apple Mac OS X=10.15.7-security_update_2021-005
Apple Mac OS X=10.15.7-security_update_2021-006
Apple Mac OS X=10.15.7-supplemental_update
Apple macOS>=11.0<11.6.1
Apple macOS>=12.0<12.0.1

Remedy

https://support.apple.com/en-us/HT212869

Remedy

https://support.apple.com/en-us/HT212871

Remedy

https://support.apple.com/en-us/HT212872

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2021-30879?

    CVE-2021-30879 is a vulnerability in AppleScript that allows for an out-of-bounds read.

  • How does CVE-2021-30879 impact macOS Big Sur?

    CVE-2021-30879 impacts macOS Big Sur up to version 11.6.1.

  • How does CVE-2021-30879 impact macOS Catalina?

    CVE-2021-30879 impacts macOS Catalina.

  • How does CVE-2021-30879 impact macOS Monterey?

    CVE-2021-30879 impacts macOS Monterey up to version 12.0.1.

  • How can I fix CVE-2021-30879?

    To fix CVE-2021-30879, update macOS Big Sur to version 11.6.1 or later, or update macOS Monterey to version 12.0.1 or later.

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.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203