Critical severity9.8NVD Advisory· Published Apr 2, 2021· Updated Jun 17, 2026

CVE-2021-1796

Description

An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution.

AI Insight

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

Affected products

Apple Inc./Ipados2 versions
cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*range: <14.4
- (no CPE)range: iPadOS 14.4
Apple Inc./Iphone OS
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Range: <14.4
Apple Inc./iOSllm-fuzzy
Range: iOS 14.4
Apple Inc./iOS and iPadOScpe-rescue
Range: unspecified

Patches

Vulnerability mechanics

References

support.apple.com/en-us/HT212146nvdVendor Advisory

News mentions

No linked articles in our index yet.

cvss	0.637
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000