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APPLE-SA-2021-02-09-1 macOS Big Sur 11.2.1, macOS Catalina 10.15.7
Supplemental Update, and macOS Mojave 10.14.6 Security Update
2021-002

macOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental
Update, and macOS Mojave 10.14.6 Security Update 2021-002 addresses
the following issues. Information about the security content is also
available at https://support.apple.com/HT212177.

macOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental Update*,
macOS Mojave 10.14.6 Security Update 2021-002

Intel Graphics Driver
Available for: macOS Big Sur 11.2, macOS Catalina 10.15.7
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: An out-of-bounds write was addressed with improved input
validation.
CVE-2021-1805: ABC Research s.r.o. working with Trend Micro Zero Day
Initiative

Intel Graphics Driver
Available for: macOS Big Sur 11.2, macOS Catalina 10.15.7
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A race condition was addressed with additional
validation.
CVE-2021-1806: ABC Research s.r.o. working with Trend Micro Zero Day
Initiative

Sudo
Available for: macOS Big Sur 11.2, macOS Catalina 10.15.7, macOS
Mojave 10.14.6
Impact: A local attacker may be able to elevate their privileges
Description: This issue was addressed by updating to sudo version
1.9.5p2.
CVE-2021-3156: Qualys

* After installing this update, the build number for macOS Catalina
10.15.7 is 19H524.

Information will also be posted to the Apple Security Updates
web site: https://support.apple.com/kb/HT201222

This message is signed with Apple's Product Security PGP key,
and details are available at:
https://www.apple.com/support/security/pgp/
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