What is CVE-2019-5866?

CVE-2019-5866 is a critical-severity vulnerability in Google Chrome, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-11-25.

How severe is CVE-2019-5866?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Google Chrome

CVE-2019-5866

Out of bounds memory access in JavaScript in Google Chrome prior to 75.0.3770.142 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (62.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Chrome — versions unspecified

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

chrome-cve-admin@google.com (x_refsource_MISC)
chrome-cve-admin@google.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2019-5866?: CVE-2019-5866 is a critical-severity vulnerability in Google Chrome, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-11-25.
How severe is CVE-2019-5866?: Critical severity. CVSS v3 base score is 9.8 out of 10.