CVE-2018-4456

7.8 highEPSS 1.1%

High (7.8) in apple mac os x. EPSS 1.1% chance of exploitation in the next 30 days.

A memory corruption issue was addressed with improved input validation. This issue affected versions prior to macOS High Sierra 10.13.6, macOS Mojave 10.14.

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: 1.1% chance of exploitation in the next 30 days; higher than 65% 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:mac_os_x

References

http://seclists.org/fulldisclosure/2019/May/20
https://seclists.org/bugtraq/2019/May/27
https://support.apple.com/kb/HT208937
https://support.apple.com/kb/HT209139
https://support.apple.com/kb/HT209341

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