What is CVE-2025-3619?

CVE-2025-3619 is a high-severity vulnerability in Google Chrome, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-04-16.

How severe is CVE-2025-3619?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Google Chrome

CVE-2025-3619

Heap buffer overflow in Codecs in Google Chrome on Windows prior to 135.0.7049.95 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)

Vulnerability class: Buffer Overflow

Published 2025-04-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (40.0th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: -0.000

Affected products

Google Chrome — versions 135.0.7049.95
Microsoft Windows

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

chromereleases.googleblog.com/2025/04/stable-channel-update-for-desktop_15.html (Vendor Advisory)
issues.chromium.org/issues/409619251 (Permissions Required, Issue Tracking)

Frequently asked questions

What is CVE-2025-3619?: CVE-2025-3619 is a high-severity vulnerability in Google Chrome, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-04-16.
How severe is CVE-2025-3619?: High severity. CVSS v3 base score is 8.8 out of 10.