Beyond Security Blog
laptop and network monitoring icons on blue gradient vector

Apple macOS Catalina 10.15.3 Out-of-bounds Read Vulnerability


A remote attacker may be able to leak memory


The information has been provided by Vendor

The original article can be found at


An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.3. A remote attacker may be able to leak memory

Vulnerable Systems:

macOS Mojave 10.14.6,

macOS High Sierra 10.13.6,

macOS Catalina 10.15.2

CVE Information:


Disclosure Timeline:
Published Date:04/08/2020


SecuriTeam is a small group within Beyond Security dedicated to bringing you the latest news and utilities in computer security.

Please visit our central security portal at to keep up-to-date with the latest security research and read our archives containing over 10,000 articles about CVEs and zero-day exploits.

Contact Us
Want to learn more? Fill out the form below and we'll be in touch shortly.
By clicking Submit, I agree to the use of my personal data in accordance with the Beyond Security Privacy Policy. Beyond Security will not sell, trade, lease, or rent your personal data to third parties.


Vector image of purple colored handshake icon

Affected by Covid-19? Get free vulnerability scanning.

Before You go

Take a second to book a demo. Learn how to secure your networks & applications.

We'll be in touch!

We now have the ability to scan at any having sonar on our own network. We always know what is going on around us.”


Mike Gutknecht, Spectrum Brands