CVEs / CVE-2019-5786

CVE-2019-5786: Google Chrome Blink Use-After-Free Vulnerability

Known exploited in the CISA KEV catalog since 23 May 2022
medium 6.5 CVSS 3.1 (NVD)
EPSS 61% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
Last changed at its sources 17 Jun 2026

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Summary

Google Chrome Blink contains a heap use-after-free vulnerability that allows an attacker to potentially perform out of bounds memory access via a crafted HTML page.
CISA, Known Exploited Vulnerabilities catalog

Description

Object lifetime issue in Blink in Google Chrome prior to 72.0.3626.121 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page.
The CVE record, via NVD · published 27 Jun 2019 · NVD status: Analyzed

Affected and fixed versions

As stated by the CVE record (from the CNA)
Product	Affected	Fixed in
Google Chrome	from unspecified, before 72.0.3626.121	72.0.3626.121

As stated by OSV
Product	Affected	Fixed in
puppeteer (npm)	before 1.13.0	1.13.0

Package versions from GHSA-c2gp-86p4-5935.

Exploitation

In CISA KEV since	23 May 2022
Due date for US federal agencies	13 Jun 2022
Used in ransomware campaigns	Unknown
Required action	Apply updates per vendor instructions.

Severity

CVSS 3.1	6.5 medium `CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H` Scored by NVD
Weakness	CWE-416

References

CVE-2019-5786 on NVD
CVE-2019-5786 in the CISA KEV catalog
CVE-2019-5786 on OSV
https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop.html Release Notes, Vendor Advisory
https://crbug.com/936448 Exploit, Issue Tracking
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-5786 US Government Resource

Sources

Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.

This product uses data from the NVD API but is not endorsed or certified by the NVD.