CVE-2025-9479

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-11-14 · updated 2026-10-07
Weakness: CWE-125

Description

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)

Affected products

Google Chrome: before 133.0.6943.141 — fixed in 133.0.6943.141

How to fix

Upgrade to a fixed version: Google Chrome 133.0.6943.141. Check the vendor advisory for mitigations.

References

https://chromereleases.googleblog.com/2025/02/stable-channel-update-for-desktop_25.html
https://issues.chromium.org/issues/390743124

Get alerted when CVE-2025-9479 or the next vulnerability affects your stack