CVE-2018-4394

7.8 highEPSS 0.9%

A memory corruption issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1, macOS Mojave 10.14.1, tvOS 12.1, watchOS 5.1, iTunes 12.9.1.

Severity

CVSS 3.0

7.8 high

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

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
CWE: CWE-119
Published: 2019-04-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

apple:iphone_os
apple:itunes
apple:mac_os_x
apple:tvos
apple:watchos

References

https://support.apple.com/kb/HT209192
https://support.apple.com/kb/HT209193
https://support.apple.com/kb/HT209194
https://support.apple.com/kb/HT209195
https://support.apple.com/kb/HT209197

Check your stack JSON