What is CVE-2023-28188?

CVE-2023-28188 is a medium-severity vulnerability in Apple macOS, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2023-09-06.

How severe is CVE-2023-28188?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Apple macOS

CVE-2023-28188

A denial-of-service issue was addressed with improved input validation. This issue is fixed in macOS Ventura 13.3. A remote user may be able to cause a denial-of-service.

Vulnerability class: DoS (Denial of Service)

Published 2023-09-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.008 · change: +0.002

Affected products

Apple macOS — versions unspecified

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

support.apple.com/en-us/HT213670 (Release Notes, Vendor Advisory)
support.apple.com/kb/HT213670 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2023-28188?: CVE-2023-28188 is a medium-severity vulnerability in Apple macOS, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2023-09-06.
How severe is CVE-2023-28188?: Medium severity. CVSS v3 base score is 6.5 out of 10.