High severity7.8NVD Advisory· Published Apr 1, 2020· Updated Jun 17, 2026

CVE-2020-3919

Description

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 13.4 and iPadOS 13.4, macOS Catalina 10.15.4, tvOS 13.4, watchOS 6.2. A malicious application may be able to execute arbitrary code with kernel privileges.

AI Insight

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

Affected products

Apple Inc./macOS Catalinallm-fuzzy
Range: <=10.15.3
Apple Inc./Ipadosllm-fuzzy
Range: <=13.3.1
Apple Inc./iOSllm-fuzzy2 versions
<=13.3.1+ 1 more
- (no CPE)range: <=13.3.1
- (no CPE)range: unspecified
Apple Inc./tvOSv5
Range: unspecified
Apple Inc./macOSv5
Range: unspecified
Apple Inc./watchOSv5
Range: unspecified

Patches

Vulnerability mechanics

References

support.apple.com/HT211100nvdVendor Advisory
support.apple.com/HT211101nvdVendor Advisory
support.apple.com/HT211102nvdVendor Advisory
support.apple.com/HT211103nvdVendor Advisory

News mentions

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