Out-of-bounds Read in Apple macOS

CVE-2019-8520

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Mojave 10.14.4. A malicious application may be able to read restricted memory.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (23.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-8520?
CVE-2019-8520 is a medium-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2019-12-18.
How severe is CVE-2019-8520?
Medium severity. CVSS v3 base score is 5.5 out of 10.