Description
An issue existed in determining cache occupancy. The issue was addressed through improved logic. This issue is fixed in macOS Big Sur 11.3. A malicious website may be able to track users by setting state in a cache.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212325
Scores
CVSS v3
4.3
EPSS
0.0087
EPSS Percentile
54.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Details
Status
published
Products (1)
apple/macos
11.0 - 11.3
Published
Sep 08, 2021
Tracked Since
Feb 18, 2026