CVE-2018-4240

MEDIUM

Apple Iphone OS < 11.4 - Improper Input Validation

Title source: rule
STIX 2.1

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.

Exploits (1)

exploitdb WORKING POC
by Sriram · pythondosmacos
https://www.exploit-db.com/exploits/45391

Scores

CVSS v3 6.5
EPSS 0.2335
EPSS Percentile 96.0%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-20
Status published
Products (4)
apple/iphone_os < 11.4
apple/mac_os_x < 10.13.5
apple/tvos < 11.4
apple/watchos < 4.3.1
Published Jun 08, 2018
Tracked Since Feb 18, 2026