CVE-2019-5786

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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.

From the Tenable Blog

Use-After-Free Vulnerability in Google Chrome Exploited In The Wild (CVE-2019-5786)

Use-After-Free Vulnerability in Google Chrome Exploited In The Wild (CVE-2019-5786)

Published: 2019-03-06

Google Chrome 72.0.3626.121 was released to address CVE-2019-5786. The company’s Clement Lecigne reports the vulnerability was exploited in the wild together with a Microsoft Windows privilege escalation vulnerability (CVE-2019-0808).

References

https://www.tenable.com/cyber-exposure/2020-threat-landscape-retrospective

https://www.tenable.com/blog/cve-2020-6418-google-chrome-type-confusion-vulnerability-exploited-in-the-wild

https://www.tenable.com/blog/cve-2020-0674-internet-explorer-remote-code-execution-vulnerability-exploited-in-the-wild

https://www.tenable.com/blog/cve-2019-1367-critical-internet-explorer-memory-corruption-vulnerability-exploited-in-the-wild

https://www.tenable.com/blog/use-after-free-vulnerability-in-google-chrome-exploited-in-the-wild-cve-2019-5786

https://github.com/J0hnFFFF/chrome_cve

https://github.com/advisories/GHSA-c2gp-86p4-5935

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-5786

https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-0957

https://crbug.com/936448

https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop.html

Details

Source: Mitre, NVD

Published: 2019-06-27

Updated: 2026-06-17

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.61085