High severity7.5NVD Advisory· Published Oct 19, 2021· Updated Jun 17, 2026
CVE-2021-30844
CVE-2021-30844
Description
A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A remote attacker may be able to leak memory.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- Range: Security Update 2021-005
Big Sur 11.6+ 1 more
- (no CPE)range: Big Sur 11.6
- (no CPE)range: unspecified
Patches
Vulnerability mechanics
References
4- support.apple.com/en-us/HT212804nvdRelease NotesVendor Advisory
- support.apple.com/en-us/HT212805nvdRelease NotesVendor Advisory
- support.apple.com/kb/HT212871nvdVendor Advisory
- support.apple.com/kb/HT212872nvdVendor Advisory
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