High severity7.8CISA KEVNVD Advisory· Published Aug 24, 2021· Updated Jun 17, 2026

CVE-2021-30983

Description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 15.2 and iPadOS 15.2. An application may be able to execute arbitrary code with kernel privileges.

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: <15.2
- (no CPE)range: before 15.2
Apple Inc./Iphone OS
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Range: <15.2
Apple Inc./iOSllm-fuzzy
Range: before 15.2
Apple Inc./iOS and iPadOScpe-rescue
Range: unspecified

Patches

Vulnerability mechanics

References

support.apple.com/en-us/HT212976nvdRelease NotesVendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource

News mentions

No linked articles in our index yet.

cvss	0.507
epss	0.002
exploit	0.000
kev	0.120
patch	0.000
ransomware	0.000