Home / mailings APPLE-SA-08-20-2025-3 macOS Sequoia 15.6.1
Posted on 21 August 2025
Apple Security-announceAPPLE-SA-08-20-2025-3 macOS Sequoia 15.6.1
macOS Sequoia 15.6.1 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/124927.
Apple maintains a Security Releases page at
https://support.apple.com/100100 which lists recent
software updates with security advisories.
ImageIO
Available for: macOS Sequoia
Impact: Processing a malicious image file may result in memory
corruption. Apple is aware of a report that this issue may have been
exploited in an extremely sophisticated attack against specific targeted
individuals.
Description: An out-of-bounds write issue was addressed with improved
bounds checking.
CVE-2025-43300: Apple
macOS Sequoia 15.6.1 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 Releases
web site: https://support.apple.com/100100.
This message is signed with Apple's Product Security PGP key,
and details are available at:
https://www.apple.com/support/security/pgp/
