High severity8.8NVD Advisory· Published Feb 27, 2020· Updated Jun 17, 2026

CVE-2020-3843

Description

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.4.7, watchOS 5.3.7. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

AI Insight

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

Affected products

Apple Inc./watchOSllm-fuzzy2 versions
<5.3.7+ 1 more
- (no CPE)range: <5.3.7
- (no CPE)range: unspecified
Apple Inc./iOSllm-fuzzy2 versions
<12.4.7+ 1 more
- (no CPE)range: <12.4.7
- (no CPE)range: unspecified

Patches

Vulnerability mechanics

References

packetstormsecurity.com/files/162119/iOS-macOS-Radio-Proximity-Kernel-Memory-Corruption.htmlnvdThird Party AdvisoryVDB Entry
support.apple.com/HT211169nvdVendor Advisory
support.apple.com/HT211176nvdVendor Advisory

News mentions

No linked articles in our index yet.

cvss	0.572
epss	0.003
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000