What is CVE-2025-9479?

CVE-2025-9479 is a medium-severity vulnerability in Apple Macos, classified under Out-of-bounds Read. CVSS score: 4.3/10. Published 2025-11-14.

How severe is CVE-2025-9479?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Out-of-bounds Read in Apple Macos

CVE-2025-9479

Out of bounds read in V8 in Google Chrome prior to 133.0.6943.141 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)

Vulnerability class: Buffer Overflow

EPSS: 0.002 (7.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.

Affected products

Apple Macos
Google Chrome — versions 133.0.6943.141
Linux Linux_kernel
Microsoft Windows

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

chrome-cve-admin@google.com (Vendor Advisory)
chrome-cve-admin@google.com (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2025-9479?: CVE-2025-9479 is a medium-severity vulnerability in Apple Macos, classified under Out-of-bounds Read. CVSS score: 4.3/10. Published 2025-11-14.
How severe is CVE-2025-9479?: Medium severity. CVSS v3 base score is 4.3 out of 10.