Out-of-bounds Read in Apple macOS

CVE-2020-3907

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.4. A local user may be able to cause unexpected system termination or read kernel memory.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (30.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-3907?
CVE-2020-3907 is a high-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2020-04-01.
How severe is CVE-2020-3907?
High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2020-3907 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.