Use After Free in Apple macOS

CVE-2019-8661

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Mojave 10.14.6. A remote attacker may be able to cause arbitrary code execution.

Vulnerability class: Use-After-Free

EPSS: 0.103 (95.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-8661?
CVE-2019-8661 is a critical-severity vulnerability in Apple macOS, classified under Use After Free. CVSS score: 9.8/10. Published 2019-12-18.
How severe is CVE-2019-8661?
Critical severity. CVSS v3 base score is 9.8 out of 10.