What is CVE-2025-43464?

CVE-2025-43464 is a medium-severity vulnerability in Apple Macos, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2025-12-12.

How severe is CVE-2025-43464?

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

Improper input validation in Apple Macos

CVE-2025-43464

A denial-of-service issue was addressed with improved input validation. This issue is fixed in macOS Tahoe 26.1. Visiting a website may lead to an app denial-of-service.

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

EPSS: 0.003 (25.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Apple Macos — versions 0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

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

Frequently asked questions

What is CVE-2025-43464?: CVE-2025-43464 is a medium-severity vulnerability in Apple Macos, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2025-12-12.
How severe is CVE-2025-43464?: Medium severity. CVSS v3 base score is 6.5 out of 10.