Out-of-bounds Read in Apple macOS

CVE-2020-9847

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Catalina 10.15.5. A malicious application may be able to break out of its sandbox.

Vulnerability class: Buffer Overflow

EPSS: 0.007 (48.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-9847?
CVE-2020-9847 is a high-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 8.6/10. Published 2020-06-09.
How severe is CVE-2020-9847?
High severity. CVSS v3 base score is 8.6 out of 10.