Apple · Macos Big Sur · CVE-2021-1855
Name of the Vulnerable Software and Affected Versions:
macOS Big Sur versions prior to 11.3
Description:
A logic issue was addressed with improved state management. A malicious website may be able to force unnecessary network connections to fetch its favicon.
Recommendations:
For macOS Big Sur versions prior to 11.3, update to macOS Big Sur 11.3 to resolve the issue. As a temporary workaround, consider restricting access to potentially malicious websites to minimize the risk of exploitation.