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CVE-2021-1855 A logic issue was addressed with improved state management

Description

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3. A malicious website may be able to force unnecessary network connections to fetch its favicon.

Affected products and versions

Product Affected versions Fixed in
macOS 11.3 earliest → < 11.3 11.3
The 3813 CVEs of macOS →
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