CVE-2025-3066
chromium - security update
8.8
HIGH
CVSS 3.1
EPSS 0.34%
Description
Use after free in Site Isolation in Google Chrome prior to 135.0.7049.84 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
How to fix CVE-2025-3066
To remediate CVE-2025-3066, upgrade the affected package to a fixed version below.
- Debian/chromium—no fix listed
- —upgrade to 135.0.7049.84-1~deb12u1 or later
Is CVE-2025-3066 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0
- from 0, < 135.0.7049.84-1~deb12u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |