High severity7.8NVD Advisory· Published Oct 19, 2021· Updated Jun 17, 2026

CVE-2021-30838

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15 and iPadOS 15. A malicious application may be able to execute arbitrary code with system privileges on devices with an Apple Neural Engine.

AI Insight

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

Affected products

Apple Inc./Ipados2 versions
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <14.8
- (no CPE)range: prior to 15
Apple Inc./Iphone OS
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Range: <14.8
Apple Inc./macOS
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Range: >=11.0,<11.6
Apple Inc./iOS and iPadOScpe-rescue
Range: unspecified
Apple Inc./iOSllm-fuzzy
Range: prior to 15

Patches

Vulnerability mechanics

References

seclists.org/fulldisclosure/2021/Oct/61nvdMailing ListRelease NotesThird Party Advisory
support.apple.com/en-us/HT212814nvdRelease NotesVendor Advisory
support.apple.com/kb/HT212804nvdVendor Advisory
support.apple.com/kb/HT212807nvdVendor Advisory

News mentions

No linked articles in our index yet.

cvss	0.507
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000