CVE-2019-5786
MediumExploitedPublic exploitUse-After-Free in puppeteer
Published Sep 2, 2020 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2019-5786, DSA-4404-1, GHSA-c2gp-86p4-5935, UBUNTU-CVE-2019-5786
Key Facts
Patch immediately- CVE-2019-5786 is a medium-severity vulnerability (CVSS 6.5 v3.1) affecting Chrome (Google), chromium (arch), chromium-browser (ubuntu) and 14 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Feb 27, 2019. Public exploit code is available.
- EPSS estimates a 61% probability of exploitation in the next 30 days.
- Fixed versions are available, including Chrome 72.0.3626.121, chromedriver 72.0.3626.121-bp150.2.37.1, chromedriver 93.0.4577.82-1.1.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS (30-day exploit likelihood)
61%
Higher than 99.1% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2019-5786 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | May 23, 2022 | Jun 13, 2022 | Not reported |
| Industry KEV feed | Feb 27, 2019 | Jun 13, 2022 | Not reported |
| CIRCL KEV | May 23, 2022 | Jun 13, 2022 | Not reported |
| ENISA EUVD | May 23, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
55 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ChromeGoogle | >= unspecified | 72.0.3626.121 |
| chromiumarch | See advisory | 72.0.3626.121-1 |
| chromium-browserubuntu | See advisory | 72.0.3626.121-0ubuntu0.16.04.1 |
| puppeteernpm | See advisory | 1.13.0 |
| chromedriversuse | See advisory | 72.0.3626.121-bp150.2.37.1 |
Patched Releases
Chrome
72.0.3626.121
chromedriver
72.0.3626.121-bp150.2.37.1, 93.0.4577.82-1.1
chromium
72.0.3626.121-1, 72.0.3626.121-bp150.2.37.1, 72.0.3626.121-r0, 72.0.3626.122-1~deb9u1, 93.0.4577.82-1.1
chromium-browser
0:72.0.3626.121-1.el6_10, 72.0.3626.121-0ubuntu0.16.04.1, 72.0.3626.121-0ubuntu0.18.04.1
libqt5-qtpdf-devel
5.15.6-2.1
libqt5-qtpdf-examples
5.15.6-2.1
libqt5-qtpdf-imports
5.15.6-2.1
libqt5-qtpdf-private-headers-devel
5.15.6-2.1
libqt5-qtwebengine
5.15.6-2.1
libqt5-qtwebengine-devel
5.15.6-2.1
libqt5-qtwebengine-examples
5.15.6-2.1
libqt5-qtwebengine-private-headers-devel
5.15.6-2.1
libQt5Pdf5
5.15.6-2.1
libQt5PdfWidgets5
5.15.6-2.1
puppeteer
1.13.0
ungoogled-chromium
113.0.5672.92-1.1
ungoogled-chromium-chromedriver
113.0.5672.92-1.1
Timeline
Added to Industry KEV feed
Feb 27, 2019
Publicly disclosed
Sep 2, 2020
Added to CISA KEV
May 23, 2022
Added to CIRCL KEV
May 23, 2022
Added to ENISA EUVD
May 23, 2022
Last updated
Aug 4, 2026
Weakness Type
- CWE-416 Use After Free
References
- advisoryRHSA-2019:0481
- advisoryhttps://blog.exodusintel.com/2019/03/20/cve-2019-5786-analysis-and-exploitation/
- advisoryGHSA advisory
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2019-5786
- advisoryhttps://security-tracker.debian.org/tracker/CVE-2019-5786
FAQ
Common Questions.
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.
Affected: Chrome (Google) versions >= unspecified; chromium (arch); chromium-browser (ubuntu), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Feb 27, 2019.
Yes. It was added on May 23, 2022 with a federal remediation due date of Jun 13, 2022.
Public exploit code is available.
Fixed versions are available, including Chrome 72.0.3626.121, chromedriver 72.0.3626.121-bp150.2.37.1, chromedriver 93.0.4577.82-1.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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