Medium severity4.3NVD Advisory· Published Sep 8, 2021· Updated Jun 17, 2026
CVE-2021-1861
CVE-2021-1861
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: < 11.3
- Range: unspecified
Patches
Vulnerability mechanics
References
1- support.apple.com/en-us/HT212325nvdVendor Advisory
News mentions
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