Medium severity4.4NVD Advisory· Published Apr 2, 2021· Updated Jun 17, 2026

CVE-2021-1780

Description

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 14.4 and iPadOS 14.4. An attacker in a privileged position may be able to perform a denial of service attack.

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: <14.4
- (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/HT212146nvdRelease NotesVendor Advisory

News mentions

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