What is CVE-2019-5804?

CVE-2019-5804 is a medium-severity vulnerability in Google Chrome, classified under Argument Injection. CVSS score: 5.5/10. Published 2019-05-23.

How severe is CVE-2019-5804?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Google Chrome

CVE-2019-5804

Incorrect command line processing in Chrome in Google Chrome prior to 73.0.3683.75 allowed a local attacker to perform domain spoofing via a crafted domain name.

Published 2019-05-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (16.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Google Chrome — versions prior to 73.0.3683.75
Microsoft Windows
openSUSE Backports — versions sle-15
openSUSE Leap — versions 15.0, 15.1, 42.3

Weakness classification (CWE)

CWE-88 — Argument Injection

References

Frequently asked questions

What is CVE-2019-5804?: CVE-2019-5804 is a medium-severity vulnerability in Google Chrome, classified under Argument Injection. CVSS score: 5.5/10. Published 2019-05-23.
How severe is CVE-2019-5804?: Medium severity. CVSS v3 base score is 5.5 out of 10.