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HIGH · 7.8

CVE-2018-4421

A memory initialization issue was addressed with improved memory handling. This issue affected versions prior to macOS Mojave 10.14.1.

Vulnerability Description

A memory initialization issue was addressed with improved memory handling. This issue affected versions prior to macOS Mojave 10.14.1.

CVSS Score

7.8

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
AppleMac Os X< 10.14.1

Related Weaknesses (CWE)

CWE-119

References

FAQ

What is CVE-2018-4421?

CVE-2018-4421 is a vulnerability with a CVSS score of 7.8 (HIGH). A memory initialization issue was addressed with improved memory handling. This issue affected versions prior to macOS Mojave 10.14.1.

How severe is CVE-2018-4421?

CVE-2018-4421 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-4421?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Mac Os X.