Known Exploited Vulnerability
6.5
MEDIUM CVSS 3.1
CVE-2019-5786
Google Chrome Blink Use-After-Free Vulnerability - [Actively Exploited]
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.

INFO

Published Date :

June 27, 2019, 5:15 p.m.

Last Modified :

Feb. 5, 2025, 1:59 p.m.

Remotely Exploit :

Yes !
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

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.

Required Action :

Apply updates per vendor instructions.

Notes :

https://nvd.nist.gov/vuln/detail/CVE-2019-5786

Affected Products

The following products are affected by CVE-2019-5786 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Google chrome
2 Google puppeteer
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 3.1 MEDIUM 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
This addresses a use-after-free vulnerability in Google Chrome and Chromium browsers.
  • Update the Google Chrome or Chromium browser to the latest version.
  • Update the chromium packages.
Public PoC/Exploit Available at Github

CVE-2019-5786 has a 26 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-5786.

URL Resource
https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop.html Release Notes Vendor Advisory
https://crbug.com/936448 Exploit Issue Tracking
https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop.html Release Notes Vendor Advisory
https://crbug.com/936448 Exploit Issue Tracking
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-5786 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-5786 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

DayOne: Critical Vulnerability Root Cause Analysis Platform

Python JavaScript Ruby HTML Assembly Makefile C Objective-C Shell Dockerfile

Updated: 1 year, 10 months ago
0 stars 0 fork 0 watcher
Born at : Oct. 15, 2023, 2:18 p.m. This repo has been linked 61 different CVEs too.

None

Shell

Updated: 1 day, 9 hours ago
6 stars 2 fork 2 watcher
Born at : March 23, 2023, 4:32 a.m. This repo has been linked 268 different CVEs too.

None

Shell

Updated: 1 day, 11 hours ago
1 stars 0 fork 0 watcher
Born at : March 19, 2023, 1:53 a.m. This repo has been linked 269 different CVEs too.

None

Shell

Updated: 2 years, 5 months ago
2 stars 0 fork 0 watcher
Born at : Nov. 16, 2022, 9:38 a.m. This repo has been linked 256 different CVEs too.

A curated list of my GitHub stars! Generated by starred

Updated: 4 months, 1 week ago
6 stars 0 fork 0 watcher
Born at : Oct. 8, 2022, 12:38 p.m. This repo has been linked 62 different CVEs too.

None

Updated: 2 years, 8 months ago
0 stars 0 fork 0 watcher
Born at : Sept. 30, 2022, 6:29 p.m. This repo has been linked 253 different CVEs too.

None

Shell

Updated: 1 year, 1 month ago
1 stars 3 fork 3 watcher
Born at : Aug. 25, 2022, 12:16 a.m. This repo has been linked 250 different CVEs too.

Repo for various public facing talks, presentations and other fun stuff

Python C

Updated: 1 year, 3 months ago
8 stars 1 fork 1 watcher
Born at : Aug. 19, 2022, 5:36 p.m. This repo has been linked 2 different CVEs too.

None

Updated: 4 months, 3 weeks ago
1 stars 0 fork 0 watcher
Born at : April 30, 2022, 6:06 p.m. This repo has been linked 55 different CVEs too.

Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.

cisa-kev vulnerability 0day cisa exploits

Updated: 4 weeks, 1 day ago
581 stars 42 fork 42 watcher
Born at : April 19, 2022, 8:58 a.m. This repo has been linked 1287 different CVEs too.

None

HTML

Updated: 3 years, 4 months ago
0 stars 0 fork 0 watcher
Born at : April 12, 2022, 11:26 p.m. This repo has been linked 1 different CVEs too.

TOP All bugbounty pentesting CVE-2023- POC Exp RCE example payload Things

bugbounty cve exp exploit payload poc rce vulnerability

Shell

Updated: 1 day, 11 hours ago
705 stars 120 fork 120 watcher
Born at : March 19, 2022, 1:54 a.m. This repo has been linked 290 different CVEs too.

安全类各家文库大乱斗

HTML CSS JavaScript Go Python Shell C

Updated: 2 weeks, 3 days ago
1195 stars 286 fork 286 watcher
Born at : Feb. 15, 2022, 3:14 a.m. This repo has been linked 568 different CVEs too.

None

Updated: 2 months, 1 week ago
37 stars 4 fork 4 watcher
Born at : March 12, 2021, 12:22 p.m. This repo has been linked 1063 different CVEs too.

None

Updated: 2 months ago
86 stars 24 fork 24 watcher
Born at : Jan. 11, 2021, 4:22 a.m. This repo has been linked 62 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-5786 vulnerability anywhere in the article.

  • CybersecurityNews
What is Use-After-Free Vulnerability? – Impact and Mitigation

Use-after-free (UAF) vulnerabilities represent one of the most critical and prevalent security threats in modern software systems, particularly affecting applications written in memory-unsafe language ... Read more

Published Date: Aug 18, 2025 (2 weeks, 5 days ago)

The following table lists the changes that have been made to the CVE-2019-5786 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Feb. 05, 2025

    Action Type Old Value New Value
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Feb. 03, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
    Added CWE CWE-416
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop.html
    Added Reference https://crbug.com/936448
  • Modified Analysis by [email protected]

    Jul. 02, 2024

    Action Type Old Value New Value
    Changed Reference Type https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop.html No Types Assigned https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop.html Release Notes, Vendor Advisory
    Changed Reference Type https://crbug.com/936448 No Types Assigned https://crbug.com/936448 Exploit, Issue Tracking
    Removed CPE Configuration OR *cpe:2.3:a:google:puppeteer:*:*:*:*:*:node.js:*:* versions up to (excluding) 1.13.0
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Feb. 15, 2024

    Action Type Old Value New Value
    Changed Vulnerability Name Google Chrome Use-After-Free Vulnerability Google Chrome Blink Use-After-Free Vulnerability
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference Chrome https://crbug.com/936448 [No types assigned]
    Added Reference Chrome https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop.html [No types assigned]
    Removed Reference Google Inc. https://crbug.com/936448
    Removed Reference Google Inc. https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop.html
  • CVE Source Update by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed Source Google Inc. Chrome
  • Reanalysis by [email protected]

    Jun. 09, 2023

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
    Added CPE Configuration OR *cpe:2.3:a:google:puppeteer:*:*:*:*:*:node.js:*:* versions up to (excluding) 1.13.0
  • Initial Analysis by [email protected]

    Jul. 01, 2019

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
    Changed Reference Type https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop.html No Types Assigned https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop.html Vendor Advisory
    Changed Reference Type https://crbug.com/936448 No Types Assigned https://crbug.com/936448 Exploit, Issue Tracking, Vendor Advisory
    Added CWE CWE-416
    Added CPE Configuration OR *cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* versions up to (excluding) 72.0.3626.121
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 6.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 4.3
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

89.98 }} 0.93%

score

0.99559

percentile