What is CVE-2019-5789?

CVE-2019-5789 is a high-severity vulnerability in Google Chrome, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2019-05-23.

How severe is CVE-2019-5789?

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

Is CVE-2019-5789 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Use After Free in Google Chrome

CVE-2019-5789

An integer overflow that leads to a use-after-free in WebMIDI in Google Chrome on Windows prior to 73.0.3683.75 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page.

Vulnerability class: Integer Overflow

Published 2019-05-23 · 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: 0.093 (95.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.093 · newest: 0.093 · change: 0.000

Affected products

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

Weakness classification (CWE)

Public proof-of-concept exploits

allpaca/chrome-sbx-db

References

Frequently asked questions

What is CVE-2019-5789?: CVE-2019-5789 is a high-severity vulnerability in Google Chrome, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2019-05-23.
How severe is CVE-2019-5789?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2019-5789 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.