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CVE-2021-1855

Medium

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductApple Macos
PublishedSep 8, 2021
First seenSep 8, 2021

How to fix

Update
  • apple macos11.3 or later

Affected products

ProductAffected versionsFixed in
apple macos11.0 ≤ v < 11.311.3

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