Medium severity5.9NVD Advisory· Published Aug 24, 2021· Updated Jun 17, 2026

CVE-2021-30982

Description

A race condition was addressed with improved locking. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. A remote attacker may be able to cause unexpected application termination or heap corruption.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Apple Inc./macOS Catalinallm-create
Range: before Security Update 2021-008
Apple Inc./macOS Big Surllm-fuzzy
Range: before 11.6.2
Apple Inc./macOS Montereyllm-fuzzy
Range: before 12.1
Apple Inc./macOSv5
Range: unspecified

Patches

Vulnerability mechanics

References

support.apple.com/en-us/HT212978nvd
support.apple.com/en-us/HT212979nvd
support.apple.com/en-us/HT212981nvd

News mentions

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cvss	0.384
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000