CVE-2018-4189

moderate-risk

Published 2019-01-11

In iOS before 11.2.5, macOS High Sierra before 10.13.3, Security Update 2018-001 Sierra, and Security Update 2018-001 El Capitan, watchOS before 4.2.2, and tvOS before 11.2.5, a memory corruption issue exists and was addressed with improved memory handling.

Do I need to act?

0.71% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (4)

Apple Tv

Iphone Os

Mac Os X

Watchos

Affected Vendors

Apple

References (8)

Vendor Advisory https://support.apple.com/HT208462

Vendor Advisory https://support.apple.com/HT208463

Vendor Advisory https://support.apple.com/HT208464

Vendor Advisory https://support.apple.com/HT208465

Vendor Advisory https://support.apple.com/HT208462

Vendor Advisory https://support.apple.com/HT208463

Vendor Advisory https://support.apple.com/HT208464

Vendor Advisory https://support.apple.com/HT208465

/ 100

moderate-risk

Severity 32/34 · Critical

Exploitability 2/34 · Minimal

Exposure 10/34 · Low