Medium severity6.5NVD Advisory· Published Jun 8, 2018· Updated Jun 17, 2026

CVE-2018-4240

Description

An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "Messages" component. It allows remote attackers to cause a denial of service via a crafted message.

AI Insight

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

Affected products

Apple Inc./tvOSllm-fuzzy
Range: <11.4
Apple Inc./macOSllm-fuzzy
Range: <10.13.5
Apple Inc./watchOSllm-fuzzy
Range: <4.3.1
Apple Inc./iOSllm-fuzzy
Range: <11.4

Patches

Vulnerability mechanics

References

www.exploit-db.com/exploits/45391/nvdExploitThird Party AdvisoryVDB Entry
www.securitytracker.com/id/1041027nvdThird Party AdvisoryVDB Entry
support.apple.com/HT208848nvdVendor Advisory
support.apple.com/HT208849nvdVendor Advisory
support.apple.com/HT208850nvdVendor Advisory
support.apple.com/HT208851nvdVendor Advisory

News mentions

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cvss	0.423
epss	0.006
exploit	0.030
kev	0.000
patch	0.000
ransomware	0.000