CVE-2020-3843
HIGHiPhone OS < 12.4.7 and watchOS < 5.3.7 - Out-of-bounds Write
Title source: llmDescription
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.
References (3)
Core 3
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/HT211169
Vendor Advisory x_refsource_misc
https://support.apple.com/HT211176
Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/162119/iOS-macOS-Radio-Proximity-Kernel-Memory-Corruption.html
Scores
CVSS v3
8.8
EPSS
0.0350
EPSS Percentile
87.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (2)
apple/iphone_os
< 12.4.7
apple/watchos
< 5.3.7
Published
Feb 27, 2020
Tracked Since
Feb 18, 2026