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.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212325
Scores
CVSS v3
6.5
EPSS
0.0079
EPSS Percentile
52.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Details
Status
published
Products (1)
apple/macos
11.0 - 11.3
Published
Sep 08, 2021
Tracked Since
Feb 18, 2026