APPLE-SA-2023-04-10-3 macOS Big Sur 11.7.6
“macOS Big Sur 11.7.6 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/HT213725.
IOSurfaceAccelerator
Available for: macOS Big Sur
Impact: An app may be able to execute arbitrary code with kernel
privileges. Apple is aware of a report that this issue may have been
actively exploited.
Description: An out-of-bounds write issue was addressed with improved
input validation.
CVE-2023-28206: Clément Lecigne of Google’s Threat Analysis Group and
Donncha Ó Cearbhaill of Amnesty International’s Security Lab
macOS Big Sur 11.7.6 may be obtained from the Mac App Store or
Apple’s Software Downloads web site:
https://support.apple.com/downloads/
All information is also posted on the Apple Security Updates
web site: https://support.apple.com/en-us/HT201222
