CVE-2018-4255

low-risk
Published 2019-01-11

In macOS High Sierra before 10.13.5, an out-of-bounds read was addressed with improved input validation.

Do I need to act?

-
0.06% 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
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Apple

References (2)

Vendor Advisory https://support.apple.com/HT208849
Vendor Advisory https://support.apple.com/HT208849
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal