CVE-2018-4140

HIGH

iPhone OS < 11.3 - Denial of Service via Class 0 SMS Message

Title source: llm

Description

An issue was discovered in certain Apple products. iOS before 11.3 is affected. The issue involves the "Telephony" component. It allows remote attackers to cause a denial of service (NULL pointer dereference and reboot) via a Class 0 SMS message.

References (3)

Core 3

Core References

Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack

http://www.securitytracker.com/id/1040604

Vendor Advisory x_refsource_confirm

https://support.apple.com/HT208693

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/103578

Scores

CVSS v3 7.5

EPSS 0.0328

EPSS Percentile 86.9%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE

CWE-476

Status published

Products (1)

apple/iphone_os < 11.3

Published Apr 03, 2018

Tracked Since Feb 18, 2026