Out-of-bounds Read in Apple Mac OS X

CVE-2018-4434

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

Vulnerability class: Buffer Overflow

EPSS: 0.003 (23.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Affected products

Apple Mac_os_x
N/a Macos — versions Versions prior to: macOS Mojave 10.14.2

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

product-security@apple.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2018-4434?: CVE-2018-4434 is a high-severity vulnerability in Apple Mac OS X, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2019-04-03.
How severe is CVE-2018-4434?: High severity. CVSS v3 base score is 7.1 out of 10.