CVE-2018-4344

7.8 HIGH CISA KEV - Actively Exploited

Published: April 03, 2019 Modified: October 23, 2025

Description

A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://support.apple.com/kb/HT209106

Source: product-security@apple.com

Release Notes Vendor Advisory

https://support.apple.com/kb/HT209107

Source: product-security@apple.com

Release Notes Vendor Advisory

https://support.apple.com/kb/HT209108

Source: product-security@apple.com

Release Notes Vendor Advisory

https://support.apple.com/kb/HT209139

Source: product-security@apple.com

Release Notes Vendor Advisory

https://support.apple.com/kb/HT209106

Source: af854a3a-2127-422b-91ae-364da2661108

Release Notes Vendor Advisory

https://support.apple.com/kb/HT209107

Source: af854a3a-2127-422b-91ae-364da2661108

Release Notes Vendor Advisory

https://support.apple.com/kb/HT209108

Source: af854a3a-2127-422b-91ae-364da2661108

Release Notes Vendor Advisory

https://support.apple.com/kb/HT209139

Source: af854a3a-2127-422b-91ae-364da2661108

Release Notes Vendor Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-4344

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

9 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.8 / 10.0

EPSS (Exploit Probability)

0.2%

41th percentile

Exploitation Status

Actively Exploited

Remediation due: 2022-07-18

Weaknesses (CWE)

CWE-119 CWE-119

Affected Vendors

apple

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