Buffer overflow in Apple macOS

CVE-2019-8534

A logic issue existed resulting in memory corruption. This was addressed with improved state management. This issue is fixed in macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra. A malicious application may be able to execute arbitrary code with kernel privileges.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (32.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-8534: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-8534?
CVE-2019-8534 is a medium-severity vulnerability in Apple macOS, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2020-10-27.
How severe is CVE-2019-8534?
Medium severity. CVSS v3 base score is 6.7 out of 10.