Integer overflow in Google Chrome
CVE-2025-6191
Integer overflow in V8 in Google Chrome prior to 137.0.7151.119 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)
Published · last modified .
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: 0.116 (95.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.098 · newest: 0.116 · change: +0.018
Affected products
- Google Chrome — versions 137.0.7151.119
Weakness classification (CWE)
Public proof-of-concept exploits
References
- chromereleases.googleblog.com/2025/06/stable-channel-update-for-desktop_17.html (Release Notes)
- issues.chromium.org/issues/420697404 (Permissions Required, Issue Tracking)
Frequently asked questions
- What is CVE-2025-6191?
- CVE-2025-6191 is a high-severity vulnerability in Google Chrome, classified under CWE-472. CVSS score: 8.8/10. Published 2025-06-18.
- How severe is CVE-2025-6191?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2025-6191 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.