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Fencer Intel
high 7.1

CVE-2018-4434 json

An out-of-bounds read was addressed with improved input validation.

published 7y ago modified 4mo ago also EUVD-2018-16220

cvss
7.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits
0
none known

Summary

An out-of-bounds read was addressed with improved input validation. This issue affected versions prior to macOS Mojave 10.14.2.

Patch / fix

  • apple mac_os_x 10.14.2

Is CVE-2018-4434 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

0.31% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 7.1 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
NVD 2.0 6.6 AV:L/AC:L/Au:N/C:C/I:N/A:C

Affected products

  • n/a macOS

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.