What is CVE-2019-8817?

CVE-2019-8817 is a medium-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2019-12-18.

How severe is CVE-2019-8817?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2019-8817 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Apple macOS

CVE-2019-8817

A validation issue was addressed with improved input sanitization. This issue is fixed in macOS Catalina 10.15.1. An application may be able to read restricted memory.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.008 (54.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Apple Macos — versions unspecified
Apple Mac_os_x

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

Captainarash/parafuzz

References

product-security@apple.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2019-8817?: CVE-2019-8817 is a medium-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2019-12-18.
How severe is CVE-2019-8817?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2019-8817 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.