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CVE-2019-5877

24
FAUCET Score

CVE-2019-5877 describes an out-of-bounds memory access vulnerability in Google Chrome versions prior to 77.0.3865.75, specifically within its JavaScript engine. This flaw allows a remote attacker to potentially achieve heap corruption and execute arbitrary code by enticing a user to visit a specially crafted HTML page. With a CVSS score of 8.8 (HIGH), this vulnerability is critical due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation (KEV: No) and no public exploit code available in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion and media coverage, indicating awareness among security researchers.

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
1.01%
Probability of exploitation in next 30 days
EPSS Percentile
59.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0101 is in the 60th percentile among its peer group of 14,855 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-2019-5877Important

chromium-browser: Out-of-bounds access in V8

Sep 10, 2019

References

chromereleases.googleblog.com / 2019/09/stable-channel-update-for-desktop.html
crbug.com / 999310