What is CVE-2019-5825?

CVE-2019-5825 is a medium-severity vulnerability in Google Chrome, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2019-11-25.

How severe is CVE-2019-5825?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2019-5825 known to be exploited?

Yes. CVE-2019-5825 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-06-08), indicating it is being actively exploited. 14 public proof-of-concept repositories are indexed.

Buffer overflow in Google Chrome

CVE-2019-5825

Out of bounds write in JavaScript in Google Chrome prior to 73.0.3683.86 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Vulnerability class: Buffer Overflow

Published 2019-11-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.559 (99.0th percentile), scored 2026-10-18.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.559 · newest: 0.559 · change: 0.000

Affected products

Google Chrome — versions unspecified

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-06-08. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-06-22.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

chromereleases.googleblog.com/2019/04/stable-channel-update-for-desktop_30.html (Release Notes, Vendor Advisory)
crbug.com/941743 (Exploit, Patch, Third Party Advisory)
packetstormsecurity.com/files/156641/Google-Chrome-72-73-Array.map-Corruption.h… (Exploit, VDB Entry, Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2019-5825?: CVE-2019-5825 is a medium-severity vulnerability in Google Chrome, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2019-11-25.
How severe is CVE-2019-5825?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2019-5825 known to be exploited?: Yes. CVE-2019-5825 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-06-08), indicating it is being actively exploited. 14 public proof-of-concept repositories are indexed.