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CVE-2019-5878

25
FAUCET Score

CVE-2019-5878 is a use-after-free vulnerability in the V8 JavaScript engine within Google Chrome prior to version 77.0.3865.75. This high-severity flaw (CVSS 8.8) allows a remote attacker to potentially exploit heap corruption and achieve high impact to confidentiality, integrity, and availability through a crafted HTML page. While there is no known active exploitation (KEV) or public exploit code (Metasploit, ExploitDB), the vulnerability has garnered significant community discussion and media coverage, indicating awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 77.0.3865.75CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.88%
Probability of exploitation in next 30 days
EPSS Percentile
55.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0088 is in the 57th percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: chromium-browser-0:77.0.3865.120-2.el6_10
View patch

Vendor Advisories (1)

redhatCVE-2019-5878Important

chromium-browser: Use-after-free in V8

Sep 10, 2019

References

chromereleases.googleblog.com / 2019/09/stable-channel-update-for-desktop.html
crbug.com / 1000217